Class 12 Chemical Kinetics Worksheet
This worksheet assesses your understanding of fundamental concepts in chemical kinetics, including reaction rates, orders, and factors affecting them.
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- Q1.For the reaction 2A + B → C, the rate of formation of C is 0.5 mol L⁻¹ s⁻¹. What is the rate of disappearance of A?
- A.0.25 mol L⁻¹ s⁻¹
- B.0.5 mol L⁻¹ s⁻¹
- C.1.0 mol L⁻¹ s⁻¹
- D.2.0 mol L⁻¹ s⁻¹
- Q2.Which of the following statements is INCORRECT regarding the order of a reaction?
- A.It can be a fraction.
- B.It can be zero.
- C.It is always equal to the sum of the stoichiometric coefficients of reactants in a balanced chemical equation.
- D.It is determined experimentally.
- Q3.The half-life of a first-order reaction is 60 minutes. How much time will it take to reduce the concentration of the reactant to 1/8th of its initial value?
- A.60 minutes
- B.120 minutes
- C.180 minutes
- D.240 minutes
- Q4.A catalyst increases the rate of a chemical reaction by:
- A.Increasing the activation energy.
- B.Decreasing the activation energy.
- C.Increasing the temperature of the reaction.
- D.Changing the equilibrium constant of the reaction.
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What's inside this workbook
This Class 12 Chemistry Practice contains 10 questions across 2 printable pages and includes a full answer key at medium difficulty. Aligned to the CBSE and NCERT syllabus.
How this worksheet helps your child
- Builds confidence in core Chemistry concepts taught in Class 12 through repeated, varied practice.
- Aligned to CBSE and NCERT — questions mirror the pattern children see in school tests and unit assessments.
- Comes with an answer key so parents and students can self-check in minutes, without needing a teacher.
- Pitched at medium level — use it for daily homework, weekend revision or quick exam warm-ups.
Topics covered
How to use this worksheet at home
Open the print view and use your browser's Print dialog to print on regular A4 paper or save as a PDF. Hand the printed sheet to your child (Class 12) and set a relaxed time limit — 15 to 25 minutes works for most Chemistry worksheets. When they're done, open the "With answer key" view and let them self-mark question by question. Re-print as many times as you need; the file never expires and there's no download limit.
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- Is it aligned to the CBSE / NCERT syllabus?
- Yes. All Class 12 worksheets are built around the CBSE and NCERT pattern so they map cleanly to what your child is studying in school.
- Can I print this worksheet at home?
- Yes. Click "Open print view" and use your browser's Print dialog to print on standard A4 paper, or save it as a PDF for later. The layout is designed to fit cleanly without scaling.
- Does it include an answer key?
- Yes — click "With answer key" to print a version with answers included, so parents and students can self-mark in minutes.
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