Thermal Physics — Science STD 10 — Question

The organism which undergoes mutation is called a ______ and the factors which induce mutations are ______.

The slow chemical change that takes place in complex organic compounds by the action of _______ leading to the formation of simple molecules is called ______.

______ gas is filled in soft drinks using the effect of pressure.

Froth floatation process is preferable for ______ ores.

_______ membranes protect the brain from mechanical injury.

When lead nitrate is heated, the gas liberated is ______ and its colour is ______.

……… is an optical instrument to see the distant objects.

Hygroscopic substances are used as ______.

If a force F acts on a body for a time t’s then the impulse is ………

One Curie is equal to _____ disintegrations per second.