Heat 1. Heat is measured in the unit? Answer: Joule 2. One calorie equals? Answer: 4.2 Joule 3. Normal body temperature is? Answer: 36.90 C or 98.40 F 4. Instrument to measure temperature is? Answer: Thermometer 5. The temperature at which solid changes to a liquid is called? Answer: Melting point of sold 6. Lowest melting point has? Answer: Mercury (-38.80 C) 7. Highest melting point has? Answer: Tungsten (34100 C) 8. Change of liquid to gaseous state is called? Answer: Evaporation 9. The amount of heat required to melt unit mass of substance? Answer: Heat of fusion 10. The amount of water vapour present in air is known as? Answer: Humidity 11. Change from vapour to liquid is called? Answer: Condensation 12. The temperature at which liquid solidifies is called? Answer: Freezing point
Posted on: Thu, 19 Jun 2014 17:41:42 +0000
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