Question

6
(d) 10°C
(C) 8°C
VI.
(d) 373
(c) 212
(d) infrared
I. 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
(b) 5°C
2. On the Kelvin scale, the freezing point of water is:
(a) o
(b) 273
3. The transfer of heat by direct contact of one molecule with another is:
(a) convection
(b) conduction
(c) radiation
4. Heat transfer by conduction can be reduced with:
(a) insulation
(b) silver
(c) thermostats
(d) copper
5. When the metals are heated, they:
(a) contract
(b) expand
(c) no effect of heat (d) none of these
6. The standard unit of heat energy is:
(a) Celcius
(b) Kelvin
(c) Joule
7. Heat supplied to a substance which changes its state with changing its temperature is:
(a) latent heat
(b) specific heat
(c) changing heat (d) temperature
8. The good conductor among the following is:
(a) iron
(b) rubber
(c) plastic
Fill in the blanks with suitable words:
1. Boiling point of water is .....10.0............
(d) Gram
VII
(d) wood
II.
VI​

Answer 1

Answer: ANSWERS. Multiple Choice Questions. 1. (c). 2. (c). 3. (c). 4. (d). 5. ... (b) The amount of heat required to convert 1 kg of solid into liquid at one ... Conditions that can increase the rate of evaporation of water are ... (d) 10 moles of H. 2. O = 10×18 = 180 g. 6. (d). Massof substance × Number of atoms in the molecule.

Explanation:

Answer 2

Answer:

1. 5 is the answer

2. 273 is the answer

3. radiation is the answer

4. thermostats

5. expand

6. joule

7. latent heat

8. iron