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IGCSE O Level Physics Practice Test 23

# States of Matter Quiz PDF: Questions and Answers - 23

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## States of Matter Questions and Answers : Quiz 23

MCQ 111:

State of matter that has highest volume is

1. Solid
2. Liquid
3. Gas
4. Gel
MCQ 112:

Resistance of a metal wire at ice point is 100 Ω and 180 Ω at steam point. The resistance of wire is 116 Ω, the room temperature would be

1. 10 °C
2. 20 °C
3. 30 °C
4. 40 °C
MCQ 113:

Electrical resistance of a piece of metal changes with

1. Change in pressure
2. Change in temperature
3. Change in density
4. Change in heat capacity
MCQ 114:

An iron ball with a mass of 200 kg is raised from a temperature of 20 °C to 40 °C. If the thermal energy used by the iron ball is 20000 J, the specific heat capacity of the iron ball would be

1. 5 J kg-1 °C-1
2. 10 J kg-1 °C-1
3. 15 J kg-1 °C-1
4. 20 J kg-1 °C-1
MCQ 115:

SI unit for work done is

1. Pascal
2. Joules
3. Newton
4. Ohms