Grade 11 and 12 Chemistry and Physics Assessment
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Grade 11 Chemistry
Grade 12 Chemistry
Grade 11 Physics
Grade 12 Physics
Grade 11 Chemistry Quiz
Grade 12 Chemistry Quiz
[Organic chemistry] What is the IUPAC name of CH₃CH₂CH₂CH₃?
Propane
Butene
Pentane
Butane
[Organic chemistry] Which functional group is found in ethanol, CH₃CH₂OH?
Carboxyl (carboxylic acid)
Hydroxyl (alcohol)
Carbonyl (ketone)
Ester
[Structure and properties] What is the maximum number of electrons that a p sublevel can hold?
6
2
10
14
[Energy changes and rates] Which statement is true for an exothermic reaction?
It absorbs energy and ΔH is positive
It releases energy and ΔH is positive
It releases energy and ΔH is negative
It absorbs energy and ΔH is negative
[Chemical equilibrium] What is the pH of a 0.010 mol/L HCl solution? (HCl is a strong acid.)
1.00
2.00
12.00
0.010
[Electrochemistry] In a redox reaction, the substance that is oxidized:
Gains electrons
Is the oxidizing agent
Has its oxidation number decrease
Loses electrons
[Organic chemistry] What is the IUPAC name of CH₃CH₂COOH?
Propanol
Propanal
Propanoic acid
Ethanoic acid
[Structure and properties] What is the ground state electron configuration of sulfur (atomic number 16)?
1s² 2s² 2p⁶ 3s² 3p⁴
1s² 2s² 2p⁶ 3s² 3p⁶
1s² 2s² 2p⁶ 3s⁴ 3p²
1s² 2s² 2p⁸ 3s² 3p²
[Structure and properties] According to VSEPR theory, what is the shape of an ammonia molecule, NH₃?
Trigonal planar
Tetrahedral
Bent
Trigonal pyramidal
[Energy changes and rates] How much heat is needed to warm 200.0 g of water from 20.0 °C to 45.0 °C? (c = 4.18 J/(g·°C))
37.6 kJ
20.9 kJ
16.7 kJ
2.09 × 10⁴ kJ
[Energy changes and rates] A catalyst increases the rate of a reaction by:
Providing a pathway with a lower activation energy
Raising the temperature of the reactants
Making the reaction more exothermic
Shifting the equilibrium toward the products
[Chemical equilibrium] For N₂(g) + 3H₂(g) ⇌ 2NH₃(g), ΔH = −92 kJ, which change will increase the amount of NH₃ at equilibrium?
Raising the temperature
Adding a catalyst
Decreasing the container volume (raising the pressure)
Removing some H₂
[Chemical equilibrium] For H₂(g) + I₂(g) ⇌ 2HI(g), the equilibrium concentrations are [H₂] = 0.10 mol/L, [I₂] = 0.10 mol/L and [HI] = 0.80 mol/L. What is K?
80
4.0
0.016
64
[Electrochemistry] What is the oxidation number of manganese in KMnO₄?
+2
+7
+4
+8
[Electrochemistry] A galvanic cell is made with zinc and copper. Cu²⁺ + 2e⁻ → Cu has E° = +0.34 V and Zn²⁺ + 2e⁻ → Zn has E° = −0.76 V. What is the standard cell potential?
+1.10 V
−0.42 V
+0.42 V
−1.10 V
[Organic chemistry] Ethanoic acid reacts with methanol using an acid catalyst. What is the name of the organic product?
Ethyl methanoate
Ethyl ethanoate
Methyl ethanoate
Propanoic acid
[Structure and properties] These substances have similar molar masses. Which one has the highest boiling point?
CH₃CH₂OH (ethanol)
CH₃CH₂CH₃ (propane)
CH₃OCH₃ (methoxymethane)
CH₃CHO (ethanal)
[Energy changes and rates] Use these equations: C(s) + O₂(g) → CO₂(g), ΔH = −393.5 kJ and CO(g) + ½O₂(g) → CO₂(g), ΔH = −283.0 kJ. What is ΔH for C(s) + ½O₂(g) → CO(g)?
−676.5 kJ
−110.5 kJ
+110.5 kJ
−393.5 kJ
[Chemical equilibrium] What is the pH of 0.10 mol/L ethanoic (acetic) acid? (Kₐ = 1.8 × 10⁻⁵)
1.0
4.7
5.7
2.9
[Electrochemistry] A current of 2.00 A passes through a Cu²⁺ solution for 30.0 min. What mass of copper is plated? (F = 96 500 C/mol, Cu = 63.55 g/mol)
2.37 g
0.0198 g
1.19 g
0.0395 g
[Matter and chemical bonding] Which subatomic particle has a negative charge and a very small mass compared to the others?
Proton
Neutron
Electron
Alpha particle
[Matter and chemical bonding] Which pair of elements is most likely to form an ionic bond?
Potassium and fluorine
Carbon and hydrogen
Nitrogen and oxygen
Chlorine and chlorine
[Chemical reactions] What type of reaction is Zn(s) + 2HCl(aq) → ZnCl₂(aq) + H₂(g)?
Synthesis
Decomposition
Double displacement
Single displacement
[Quantities in reactions] What is the molar mass of water, H₂O? (H = 1.01 g/mol, O = 16.00 g/mol)
17.01 g/mol
18.02 g/mol
34.02 g/mol
2.02 g/mol
[Solutions and solubility] Water dissolves many ionic compounds, like table salt, mainly because water molecules are:
Polar
Nonpolar
Ionic
Very large
[Gases and atmospheric chemistry] A gas is kept at a constant temperature. If its volume is cut in half, what happens to its pressure?
It is cut in half
It stays the same
It doubles
It becomes four times larger
[Matter and chemical bonding] Oxygen has an electronegativity of 3.4 and hydrogen has 2.2. What type of bond forms between O and H in water?
Nonpolar covalent
Polar covalent
Ionic
Metallic
[Chemical reactions] When C₃H₈ + O₂ → CO₂ + H₂O is balanced with the smallest whole numbers, what is the coefficient in front of O₂?
3
4
10
5
[Chemical reactions] Using the activity series, which metal will NOT react with dilute hydrochloric acid?
Zinc
Magnesium
Copper
Iron
[Quantities in reactions] How many molecules are in 0.250 mol of CO₂? (Avogadro's number = 6.02 × 10²³)
1.51 × 10²³
2.41 × 10²⁴
4.15 × 10⁻²⁵
6.02 × 10²³
[Quantities in reactions] What is the percent by mass of oxygen in calcium carbonate, CaCO₃? (Ca = 40.08, C = 12.01, O = 16.00 g/mol)
16.0%
40.0%
60.0%
48.0%
[Solutions and solubility] 5.85 g of NaCl (58.44 g/mol) is dissolved in water to make 250.0 mL of solution. What is the concentration?
0.100 mol/L
0.400 mol/L
23.4 mol/L
4.00 × 10⁻⁴ mol/L
[Solutions and solubility] 50.0 mL of a 2.00 mol/L solution is diluted with water to a final volume of 200.0 mL. What is the new concentration?
8.00 mol/L
0.400 mol/L
0.500 mol/L
2.00 mol/L
[Gases and atmospheric chemistry] A gas takes up 2.00 L at 25 °C and 100 kPa. What volume will it take up at 50 °C and 200 kPa?
1.08 L
2.00 L
4.34 L
0.923 L
[Gases and atmospheric chemistry] How many moles of gas are in a 5.00 L container at 20.0 °C and 150 kPa? (R = 8.314 kPa·L/(mol·K))
4.51 mol
308 mol
3.25 mol
0.308 mol
[Matter and chemical bonding] Which of these molecules is polar overall?
CO₂
NH₃
CCl₄
BF₃
[Chemical reactions] Solutions of BaCl₂(aq) and Na₂SO₄(aq) are mixed and a white precipitate forms. What is the net ionic equation?
Na⁺(aq) + Cl⁻(aq) → NaCl(s)
BaCl₂(aq) + Na₂SO₄(aq) → BaSO₄(s) + 2NaCl(aq)
Ba²⁺(aq) + 2Cl⁻(aq) + 2Na⁺(aq) + SO₄²⁻(aq) → BaSO₄(s) + 2Na⁺(aq) + 2Cl⁻(aq)
Ba²⁺(aq) + SO₄²⁻(aq) → BaSO₄(s)
[Quantities in reactions] 4.00 g of H₂ reacts with 16.0 g of O₂: 2H₂ + O₂ → 2H₂O. What mass of water forms? (H₂ = 2.02, O₂ = 32.00, H₂O = 18.02 g/mol)
18.0 g
35.7 g
20.0 g
9.01 g
[Solutions and solubility] What volume of 0.150 mol/L NaOH is needed to neutralize 25.0 mL of 0.120 mol/L H₂SO₄? (H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O)
20.0 mL
31.3 mL
40.0 mL
10.0 mL
[Gases and atmospheric chemistry] Heating 10.0 g of CaCO₃ (100.09 g/mol) breaks it down completely: CaCO₃(s) → CaO(s) + CO₂(g). What volume of CO₂ forms at SATP? (molar volume at SATP = 24.8 L/mol)
24.8 L
2.48 L
4.96 L
0.248 L
Grade 11 Physics Quiz
[Kinematics] A car travels 150 m in 12.0 s. What is its average speed?
12.5 m/s
1.80 × 10³ m/s
0.0800 m/s
138 m/s
[Forces] What net force is needed to give a 5.0 kg cart an acceleration of 3.0 m/s²?
1.7 N
8.0 N
15 N
0.60 N
[Energy and society] What is the kinetic energy of a 2.0 kg ball moving at 3.0 m/s?
6.0 J
9.0 J
18 J
3.0 J
[Waves and sound] A sound wave has a frequency of 440 Hz and a wavelength of 0.780 m. What is its speed?
564 m/s
1.77 × 10⁻³ m/s
441 m/s
343 m/s
[Electricity and magnetism] A 4.0 Ω resistor is connected to a 12 V battery. What current flows through it?
48 A
0.33 A
3.0 A
16 A
[Waves and sound] Sound waves travelling through air are:
Longitudinal mechanical waves
Transverse mechanical waves
Transverse electromagnetic waves
Longitudinal electromagnetic waves
[Kinematics] A car starts from rest and speeds up at 2.5 m/s² for 6.0 s. How far does it travel?
15 m
90 m
7.5 m
45 m
[Kinematics] A rock is dropped from rest off a 20.0 m high bridge. How long does it take to reach the water? (g = 9.8 m/s², ignore air resistance)
4.08 s
2.02 s
1.43 s
196 s
[Forces] A 10.0 kg box is pushed across a floor with a horizontal force of 50.0 N. The coefficient of kinetic friction is 0.30. What is the box's acceleration? (g = 9.8 m/s²)
2.06 m/s²
5.00 m/s²
2.94 m/s²
7.94 m/s²
[Forces] A book rests on a table. By Newton's third law, what is the reaction force to Earth's gravity pulling down on the book?
The table pushing up on the book
The book pushing down on the table
The book pulling up on Earth
Friction between the book and the table
[Energy and society] A 60.0 kg student runs up stairs that rise 3.50 m vertically in 4.00 s. What is the student's average power output? (g = 9.8 m/s²)
52.5 W
515 W
8.23 × 10³ W
2.06 × 10³ W
[Energy and society] A ball is dropped from rest from a height of 5.0 m. Ignoring air resistance, how fast is it moving just before it hits the ground? (g = 9.8 m/s²)
98 m/s
49 m/s
7.0 m/s
9.9 m/s
[Waves and sound] You shout toward a cliff and hear the echo 1.20 s later. The air is 20 °C, so the speed of sound is v = 331 + 0.6T m/s. How far away is the cliff?
206 m
412 m
199 m
397 m
[Electricity and magnetism] What is the equivalent resistance of a 6.0 Ω resistor and a 3.0 Ω resistor connected in parallel?
9.0 Ω
4.5 Ω
2.0 Ω
0.50 Ω
[Electricity and magnetism] A long straight wire lies flat on this page and carries conventional current toward the top of the page. What is the direction of the magnetic field at a point just to the right of the wire?
Out of the page
Into the page
Toward the top of the page
Straight out to the right, away from the wire
[Kinematics] A ball is thrown straight up at 12.0 m/s from the edge of a 25.0 m high cliff. It misses the edge on the way down and lands at the bottom. How long is it in the air? (g = 9.8 m/s²)
1.22 s
2.26 s
2.45 s
3.79 s
[Forces] A 3.0 kg cart on a frictionless table is tied by a light string over a pulley to a 2.0 kg mass hanging over the edge. What is the tension in the string? (g = 9.8 m/s²)
19.6 N
11.8 N
7.84 N
29.4 N
[Energy and society] A 500 kg roller coaster car starts from rest at the top of a 30.0 m hill. At the bottom it is moving at 18.0 m/s. How much energy was lost to friction? (g = 9.8 m/s²)
1.5 × 10⁵ J
8.1 × 10⁴ J
6.6 × 10⁴ J
2.3 × 10⁵ J
[Waves and sound] A 512 Hz tuning fork is held over a tube that is closed at the bottom. The speed of sound is 343 m/s. What is the shortest air column length that will resonate?
0.167 m
0.335 m
0.670 m
1.34 m
[Electricity and magnetism] An 18 V battery is connected to a 6.0 Ω resistor in series with a parallel pair made of a 4.0 Ω and a 12.0 Ω resistor. What is the current through the 4.0 Ω resistor?
2.0 A
0.50 A
4.5 A
1.5 A
Grade 12 Physics Quiz
[Dynamics] An object moves in a circle of radius 2.0 m at a constant speed of 4.0 m/s. What is its centripetal acceleration?
2.0 m/s²
8.0 m/s²
32 m/s²
0.50 m/s²
[Energy and momentum] What is the momentum of a 0.15 kg ball moving at 40 m/s?
120 kg·m/s
270 kg·m/s
0.0038 kg·m/s
6.0 kg·m/s
[Gravitational, electric and magnetic fields] In which direction do electric field lines point around a single positive point charge?
Straight inward, toward the charge
In circles around the charge
Straight outward, away from the charge
There is no field around a single charge
[Wave nature of light] What did Young's double-slit experiment show about light?
Light shows interference, so it behaves like a wave
Light is made only of particles
Light travels faster in water than in air
Light needs a medium to travel through
[Modern physics] What is the energy of a photon with a frequency of 5.0 × 10¹⁴ Hz? (h = 6.63 × 10⁻³⁴ J·s)
1.3 × 10⁻⁴⁸ J
7.5 × 10⁴⁷ J
6.6 × 10⁻³⁴ J
3.3 × 10⁻¹⁹ J
[Modern physics] In the photoelectric effect, light above the threshold frequency shines on a metal. If the light is made brighter but its frequency stays the same, what happens?
Fewer electrons are emitted, each with more energy
More electrons are emitted, but their maximum kinetic energy stays the same
The same number of electrons are emitted, each with more energy
More electrons are emitted, each with more kinetic energy
[Dynamics] A block slides down a frictionless ramp tilted at 30.0° to the horizontal. What is its acceleration? (g = 9.8 m/s²)
4.9 m/s²
8.5 m/s²
9.8 m/s²
5.7 m/s²
[Dynamics] A ball rolls off a 1.25 m high table with a horizontal speed of 3.0 m/s. How far from the base of the table does it land? (g = 9.8 m/s²)
3.75 m
0.383 m
1.52 m
1.07 m
[Energy and momentum] A 2.0 kg cart moving at 3.0 m/s hits a 1.0 kg cart at rest. They stick together. What is their speed right after the collision?
3.0 m/s
2.0 m/s
1.5 m/s
6.0 m/s
[Energy and momentum] A 0.50 kg ball hits a wall at 10.0 m/s and bounces straight back at 8.0 m/s. It touches the wall for 0.020 s. What is the size of the average force on the ball?
50 N
250 N
9.0 N
450 N
[Gravitational, electric and magnetic fields] Two small charges, +2.0 μC and +3.0 μC, are 0.30 m apart. What is the size of the electric force between them? (k = 8.99 × 10⁹ N·m²/C²)
0.18 N
6.0 × 10¹¹ N
0.60 N
2.0 N
[Gravitational, electric and magnetic fields] A proton (q = 1.60 × 10⁻¹⁹ C) moves at 2.0 × 10⁶ m/s at right angles to a uniform 0.50 T magnetic field. What is the magnetic force on it?
1.6 × 10⁻¹³ N
6.4 × 10⁻¹³ N
1.0 × 10⁶ N
0 N
[Wave nature of light] Light can be polarized, but sound cannot. What does this tell us about light?
Light is a longitudinal wave
Light is a transverse wave
Light travels slower than sound
Light has no wavelength
[Wave nature of light] In a double-slit experiment the slits are 0.10 mm apart and the screen is 2.0 m away. Bright fringes are 1.2 cm apart. What is the wavelength of the light?
1.2 × 10⁻⁶ m
1.7 × 10⁻² m
2.4 × 10⁻⁶ m
6.0 × 10⁻⁷ m
[Modern physics] What is the de Broglie wavelength of an electron (m = 9.11 × 10⁻³¹ kg) moving at 2.0 × 10⁶ m/s? (h = 6.63 × 10⁻³⁴ J·s)
2.75 × 10⁹ m
7.28 × 10⁻⁴ m
3.64 × 10⁻¹⁰ m
1.21 × 10⁻⁵⁷ m
[Dynamics] A car rounds a flat, unbanked curve of radius 50.0 m. The coefficient of static friction between the tires and the road is 0.60. What is the maximum speed it can have without skidding? (g = 9.8 m/s²)
17.1 m/s
22.1 m/s
294 m/s
5.48 m/s
[Energy and momentum] A 0.20 kg cart moving at 3.0 m/s on a frictionless track runs into a spring bumper with k = 180 N/m. What is the maximum compression of the spring?
0.010 m
0.0033 m
0.10 m
0.071 m
[Gravitational, electric and magnetic fields] A satellite moves in a circular orbit of radius 7.0 × 10⁶ m, measured from Earth's centre. What is its orbital speed? (G = 6.67 × 10⁻¹¹ N·m²/kg², Earth's mass = 5.97 × 10²⁴ kg)
5.69 × 10⁷ m/s
1.07 × 10⁴ m/s
8.13 m/s
7.54 × 10³ m/s
[Wave nature of light] A diffraction grating has 5000 lines per cm. Light with a wavelength of 500 nm shines on it. At what angle is the second-order bright fringe?
14.5°
30.0°
60.0°
0.500°
[Modern physics] Light with a wavelength of 400 nm shines on a metal with a work function of 2.30 eV. What is the maximum kinetic energy of the ejected electrons? (h = 6.63 × 10⁻³⁴ J·s, c = 3.00 × 10⁸ m/s, 1 eV = 1.60 × 10⁻¹⁹ J)
0.81 eV
3.11 eV
5.41 eV
2.30 eV
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