Question

Answer the following in one statement: 1 Give reasons with reference to boiling and evaporation:
(a) Wet khus-khus is used for cooling the room.
(b) Ether evaporates faster than water.
(C) In case of high fever, doctors advice to put wet cold strips of cloth on forehead.
2. Give reasons with reference to thermal expansion:
(a) A tightly fitting cork on a test tube is blown off if the test tube is heated.
(b) Metal bowls stuck one inside the other can be separated by heating.
(C) The iron rim of a cart-wheel is made slightly smaller than the wooden wheel and fixed on it after heating the rim strongly.

please don't spam​

Answer 1

Answer:

1 no ans is b ,2 no a ans ya it is answer