Which of the following is in liquid form at room temperature?
1 Cerium
2 Sodium
3 Francium
4 Lithium
Where Meson particles are found in ?
What are the important factors of cosmic rays?
Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon
The Indian variety of which of the following plant has been proved to be the greatest pollution fighter in India: 1) Tea 2) Jute 3) Mustard 4) Groundnut
how is electricity converted from the potential energy of water falling from dams?
Which of the following is a good nuclear fuel? 1 Uranium-238 2 Neptunium-239 3 Thorium-236 4 Plutonium-239
what is the smallest fish?
Brass gets discolored in air because of the presence of which of the following gases in air? 1 Carbon dioxide 2 Oxygen 3 Hydrogen sulphide 4 Nitrogen
What are vitamins ? describe different kinds of vitamins
What is a nuclear triad?
What is the Nutrition ?
What are soaps? 1 Salts of silicates 2 Esters of heavy fatty acids 3 Sodium or potassium salts of heavier fatty acids 4 Mixture of glycerol and alcohols