ICSE Class 10 Heat — Mock Test (2027)
Free online mock test for Heat (ICSE Class 10 Physics) — 20 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.
What to expect: This mock test covers key concepts from the Heat chapter — including application-based and competency-focused questions aligned with how ICSE actually sets the paper.
Tip: Attempt without notes first to identify gaps, then review explanations for any wrong answers. Retake after a few days for best retention.
Sample questions
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1.What is the approximate value of the specific heat capacity of water in S.I. unit?
- A.420 J kg⁻¹ K⁻¹
- B.4200 J kg⁻¹ K⁻¹
- C.42000 J kg⁻¹ K⁻¹
- D.4.2 J kg⁻¹ K⁻¹
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2.How is the boiling point of water affected when some salt is added to it?
- A.The boiling point of water increases.
- B.The boiling point of water decreases.
- C.The boiling point of water remains unchanged.
- D.The boiling point of water first increases, then decreases.
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3.Assertion : The specific heat capacity of a given solid can be determined by using the principle of calorimetry Reason : Heat gained is equal to the heat lost. (a) Both assertion and reason are true and reason is the correct explanation of assertion. (b) Both assertion and reason are True and reason is not the correct explanation of assertion. (c) Assertion is false but reason is true. (d) Assertion is true but reason is false.
- A.Both assertion and reason are true and reason is the correct explanation of assertion.
- B.Both assertion and reason are True and reason is not the correct explanation of assertion.
- C.Assertion is false but reason is true.
- D.Assertion is true but reason is false.
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4.1 kg of ice is heated at a constant rate, and its temperature is recorded every 30 seconds till steam forms at $100^{\circ}\mathrm{C}$. Which temperature-time graph correctly depicts the process?
- A.Rise to $0^{\circ}\mathrm{C}$, flat (melting), rise to $100^{\circ}\mathrm{C}$, flat (vaporisation).
- B.Continuous rise from $-20^{\circ}\mathrm{C}$ to $100^{\circ}\mathrm{C}$ with no plateaus.
- C.Flat line at $0^{\circ}\mathrm{C}$ only, then continuous rise to $100^{\circ}\mathrm{C}$.
- D.Rise to $100^{\circ}\mathrm{C}$ directly, with no melting plateau.
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5.In a central heating system, steam enters a radiator pipe at 100°C and water leaves at 100°C. Can this radiator pipe heat a room, and why?
- A.No, because there is no temperature difference to transfer heat.
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