Last seen: Nov 14, 2021
Air is a mixture as it is composed of different gases.
Milk, Paint, Glass are three mixture found in nature.
False. Milk is not a pure substance. It contains many ingredients.
Correct answer is: (b) The molecules in liquid are arranged in a regular pattern
Correct answer is: (c) The particles of bromine are moving but those of air are not moving
Correct answer is: (c) Bromine is heavier than air
Correct answer is: (c) The particles of some of the matter are moving constantly
Correct answer is: (b) Kerosene
Correct answer is: (d) Robert Brown
Correct answer is: (c) Oxygen
Correct answer is: (c) (i) and (iii)
Correct answer is: (c) Oxygen, water, sugar
Correct answer is: (c) Gases and liquid behaves as fluids
(a) figure.png The zig-zag movement of the small particles suspended in a liquid or a gas is called Brownian movement. (b) These dust particles ...
(a) Matter is anything that occupies and has mass. Wood, air, water are the examples for matter. (b) 1. Matter is made up of tiny particles 2. T...
(a) When gas is stored in a container, the fast moving particles of the gas collides with each other thus exerts pressure on the walls of container. ...
Solids: (i) Has definite shape and volume (ii) Cannot be compressed (iii) Have high density (iv) Do not fill their container completely L...
(a) Diffusion is the mixing of a substance with another substance due to the motion of its particles. The smell of perfume spreads over a whole room i...
Diffusion occurs more quickly in a gas than liquids because the particles in gases move very quickly in all directions and freely but in the case the ...