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.

Sample questions

1. 1.2 kg of ice melts when water at 100°C is poured in a hole drilled in a block of ice. What mass of water was used? Given: specific heat capacity of water = 4200 J kg⁻¹ K⁻¹, specific latent heat of ice = 336 × 10³ J kg⁻¹.
   • A.0.8 kg
   • B.1.6 kg
   • C.3.2 kg
   • D.6.72 kg
2. 2.An iron ball requires 5000 J heat energy to raise its temperature by 10°C. What is the heat capacity of the iron ball?
   • A.50 J K⁻¹
   • B.500 J K⁻¹
   • C.5000 J K⁻¹
   • D.500 J °C⁻¹
3. 3.A calorimeter of mass 50 g and specific heat capacity 0.42 J g⁻¹ °C⁻¹ contains some mass of water at 20°C. A metal piece of mass 20 g at 100°C is dropped in, and the final temperature is 22°C. What is the mass of water in the calorimeter? (Specific heat capacity of metal = 0.3 J g⁻¹ °C⁻¹; water = 4.2 J g⁻¹ °C⁻¹).
   • A.25.0 g
   • B.50.7 g
   • C.75.0 g
   • D.100.0 g
4. 4.A copper calorimeter of mass 100 g contains 200 g of water at 20°C. A piece of iron of mass 50 g at 100°C is dropped into the calorimeter. What is the final temperature of the mixture? (Specific heat capacity of copper = 0.4 J g⁻¹ K⁻¹, water = 4.2 J g⁻¹ K⁻¹, iron = 0.48 J g⁻¹ K⁻¹)
   • A.20.0°C
   • B.23.8°C
   • C.30.5°C
   • D.45.2°C
5. 5.A solid of mass 60 g at 100°C is placed in 150 g of water at 20°C. The final steady temperature is 25°C. What is the heat capacity of the solid? (Specific heat capacity of water = 4.2 J g⁻¹ K⁻¹)
   • A.21 J °C⁻¹
   • B.42 J °C⁻¹
   • C.84 J °C⁻¹
   • D.126 J °C⁻¹