VCE Chemistry Practice Questions - VCE Chemistry Units 3 & 4 (Victorian Certificate of Education) Exam - VCE Chemistry Practice Questions - VCE Chemistry Units 3 & 4 (Victorian Certificate of Education) Exam

Question 1

Which one of the following best describes an exothermic reaction?

The products have a higher chemical potential energy than the reactants Energy is absorbed from the surroundings, so the surroundings cool down The products have a lower chemical potential energy than the reactants, releasing energy The enthalpy change (ΔH) has a positive sign

Correct Answer:

The products have a lower chemical potential energy than the reactants, releasing energy

Question 2

The complete combustion of methane is represented by CH₄(g) + 2O₂(g) → CO₂(g) + 2H₂O(l). Which products are formed?

Carbon monoxide and water Carbon dioxide and water Carbon and water vapour Carbon dioxide and hydrogen gas

Correct Answer:

Carbon dioxide and water

Question 3

Which statement about biofuels compared with fossil fuels is correct?

Biofuels are non-renewable because they form over millions of years Biofuels such as bioethanol are renewable because their source can be regrown Burning biofuels releases no carbon dioxide at all Fossil fuels are considered carbon neutral over short timescales

Correct Answer:

Biofuels such as bioethanol are renewable because their source can be regrown

Question 4

A thermochemical equation is written as C(s) + O₂(g) → CO₂(g), ΔH = −394 kJ mol⁻¹. How much energy is released when 0.50 mol of carbon is completely burned?

197 kJ 394 kJ 788 kJ 197 kJ absorbed

Correct Answer:

197 kJ

Question 5

In an energy profile diagram for an exothermic reaction, which feature represents the activation energy?

The difference in energy between reactants and products The energy difference between the reactants and the peak of the curve The total energy of the products The horizontal distance along the reaction coordinate

Correct Answer:

The energy difference between the reactants and the peak of the curve

Question 1

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Prepare with the VCE Chemistry Practice Questions - VCE Chemistry Units 3 & 4 (Victorian Certificate of Education) Exam practice quiz. This question bank includes 100 questions covering cell, equilibrium, reaction, energy, and temperature. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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VCE Chemistry Practice Questions - VCE Chemistry Units 3 & 4 (Victorian Certificate of Education) Exam

This practice set contains 100 questions from the matching question bank and focuses on cell, equilibrium, reaction, energy, and temperature. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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VCE Chemistry Practice Questions - VCE Chemistry Units 3 & 4 (Victorian Certificate of Education) Exam

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