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ICSE Class 10 Heat: calorimetry, specific heat capacity and latent heat — practice questions

Explore 66 free Heat: calorimetry, specific heat capacity and latent heat questions in ICSE Class 10 Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Heat: calorimetry, specific heat capacity and latent heat questions and exercises with answers

Showing questions 1–30 of 66.

A 2 kg metal block has heat capacity 900 J K−1. Its specific heat is:Read the answer and worked solution →Which unit measures heat capacity of one whole object?Read the answer and worked solution →The specific heat capacity of a material is its heat capacity divided by:Read the answer and worked solution →A 1 kg water sample warms by 1 K. About how much heat is added?Read the answer and worked solution →For the same mass and temperature rise, which needs most heat?Read the answer and worked solution →During melting at a fixed pressure, added heat mainly changes the:Read the answer and worked solution →Which quantity is extensive for a body?Read the answer and worked solution →If a body's heat capacity is 600 J K−1, heat for a 5 K rise is:Read the answer and worked solution →A 0.5 kg sample has c = 800 J kg−1 K−1. Heat for 10 K rise?Read the answer and worked solution →Two equal masses get equal heat; sample X warms less. X has:Read the answer and worked solution →The same gas is heated at constant pressure or constant volume. Its specific heat may be:Read the answer and worked solution →Which pair has different specific heat capacities by source values?Read the answer and worked solution →A 1 kg iron sample warms by 10 K. Using c = 449 J kg−1 K−1, Q is:Read the answer and worked solution →Which statement distinguishes heat capacity from specific heat capacity?Read the answer and worked solution →For the same heat input and mass, a larger c produces a:Read the answer and worked solution →If no phase change occurs, adding heat to a body with positive heat capacity tends to:Read the answer and worked solution →A 0.2 kg liquid with c = 2000 J kg−1 K−1 cools by 5 K. Heat released?Read the answer and worked solution →Latent heat transfer during a phase change occurs without a change in:Read the answer and worked solution →Which change requires latent heat of fusion?Read the answer and worked solution →Latent heat of vaporization is associated with:Read the answer and worked solution →While ice melts at its melting point, supplied heat is used to:Read the answer and worked solution →A 0.4 kg sample absorbs 80 kJ during a phase change. Its L is:Read the answer and worked solution →When steam condenses to liquid, its latent energy is generally:Read the answer and worked solution →A 100 g sample has latent heat 250 kJ kg−1. Energy for the change?Read the answer and worked solution →During boiling at fixed pressure, continued heat input can leave temperature:Read the answer and worked solution →Which process is endothermic for the substance changing phase?Read the answer and worked solution →If 600 kJ vaporizes 2 kg of a liquid, its specific latent heat is:Read the answer and worked solution →While a phase change continues at fixed L, doubling Q doubles the:Read the answer and worked solution →The specific latent heat L is defined per unit:Read the answer and worked solution →During melting, latent heat changes state without changing:Read the answer and worked solution →

Worked practice questions

A 2 kg metal block has heat capacity 900 J K−1. Its specific heat is:

  1. 1800 J kg−1 K−1
  2. 225 J kg−1 K−1
  3. 900 J kg−1 K−1
  4. 450 J kg−1 K−1
Show answer and solution

Correct answer: D. 450 J kg−1 K−1

Dividing the body's heat capacity by its 2 kg mass gives 450 J kg−1 K−1.

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Which unit measures heat capacity of one whole object?

  1. J kg−1 K−1
  2. kg J−1 K−1
  3. J mol−1 K−1
  4. J K−1
Show answer and solution

Correct answer: D. J K−1

Heat capacity is measured in joules per kelvin for the object.

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The specific heat capacity of a material is its heat capacity divided by:

  1. the sample's volume
  2. the sample's mass
  3. the sample's temperature
  4. the sample's pressure
Show answer and solution

Correct answer: B. the sample's mass

Specific heat capacity is heat capacity per unit mass.

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