Question

B. Circle the odd-one out giving appropriate reason.
1. Heat, Temperature, Convection, Celsius scale
2. Joule, Kilojoule, Kilocalorie, Calorie, Degree
3. Mercury, Glass capillary, Thermometer, Degree, Joule
4. Metals, Plastics, Water, Air, Wood​

Answer 1

1. Heat ( others are related to bodies. )

2. Degree ( others are units of heat )

3. Joule ( others present in thermometers )

4. Metals ( others are non-conductors of heat )

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Answer 2

Answer:

1. Celsius scale

Because all the others are related to heat but Celsius is a scale. It is odd.

2. Degree

Because others are related to energy whereas degree is related to temperature. It is odd.

3. Joule

Because all the others are part of the thermometer whereas joules is odd.

4. Metal

Metal is is the only conductor of heat whereas others are insulators.

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