Carbon and its Compounds — Science STD 10 — Question

Common salt is obtained from sea-water by the process of _________.

An element has atomic number 2, it belongs........ group.

Our ________system allows Us to react to our surroundings. Information from receptors passes along ________neurons to our brain. Our brain sends impulses along _______neurons to our muscles.

Green plants use __________, _________ and __________ to make food.

Potential difference is measured in __________ by using a __________ placed in __________ across a component.

Slope of a V-I graph is a measure of _______

An enzyme that acts only in acidic medium is ___________.

Fill in the following blank with a suitable word:
When a ray of light goes from air into a clear material, you see the ray bend. How much the ray bends is determined by the ___________ of the material.

Complete the following sentence:
A generator with commutator produces _______ current.

The part of eye sensitive to light is _____.