Question

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Tick() mark the correct answer (Multiple Choice Questions)
1. 10 calories of heat would raise the temperature of 2 g of water by:
(a) 2°C
L7 (b) 5°C
L7(c) 8°C
(d) 10°C
2. On the Kelvin scale, the freezing point of water is:
(a) 0°
L7 (b) 2730
L7 (0) 212° L7 (d) 373
3. The transfer of heat by direct contact of one molecule with another is:
(a) convection L7 (b) conduction L7(c) radiation L] (d) infrared
4. Heat transfer by conduction can be reduced with:
(a) insulation 07 (b) silver
7 (c) thermostats
5. When the metals are heated, they:
(a) contract
L7 (b) expand
7 (c) no effect of heat L (d) none of these
6. The standard unit of heat energy is:
(a) Celcius
L7 (b) Kelvin
(c) Joule L7 (d) Gram
7. Heat supplied to a substance which changes its state with changing its temperature is:
(a) latent heat 7 (b) specific heat L] (c) changing heat 07 (d) temperature
8. The good conductor among the following is:
(a) iron
L (b) rubber
(c) plastic
(d) wood
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Answer 1

Answer:

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Explanation:

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