In the nucleus of Helium,

Which of the following is known as artificial silk? 

Read the following questions carefully and answer them. 

Polythene is polymer of

During uniform motion of an object along a straight line, its ___________ remains constant with time.

In chemistry, soap is a salt of a ............

NaHCO3 is chemical formula for ___________.

__________________ is a drug or substance that makes you feel relaxed and makes your body work and react more slowly.

Starch in potatoes reacts with _____, turning to a blue colour.