Question

fill in the blank

______ process is just the reverse of melting

Density of water is _______ kgm



State whether the following statements are ‘ true’ or ‘ false’


i. The density of the liquid decreases with increase in temperature.


ii. Boiling takes place at all temperature.


c. Define the term matter. What is it composed of ? [


d. State the law of floatation. [


e. A piece of iron of volume 20cm3 has a mass of 200g. Find the density of iron. ​

Answer 1

Answer:

A) Fill in the blanks :-

1) Freezing

2) 1000

B) True/False :-

1) True

2) False

C) Anything which occupies space and has mass is called matter. Matter is composed of tiny particles called molecules.

D) When a body floats in a liquid, the weight of the liquid displaced by its immersed part is equal to the total weight of the body.