Question

In the following statements, Tick T against those which are True and F against those which are False.
1. If we add 1 litre of 35° C water into 1 litre of 55° C water then the mixture will have a temperature of less than 30° C (T/F)
2. Utensils for cooking food are made up of metals because metals are good conductors of heat. (T/F)
3. The houses, which have outer walls painted with white colour are less hot in summer days. (T/F)

Answer 1

Answer:

1. False

2. True

3. False

Hope this would help you.

Answer 2

Among the given statements, the true statements are (2) and (3), while statement (1) is false.

When we add different liquids of varying temperatures together in a single container, the final temperature of the mixture must always be greater than the lowest temperature of the individual liquids. So, option (1) is incorrect. On the other hand, utensils require conducting metals to be able to cook food items, and white coloured houses are less absorptive of heat.