Which of the following has been reelected as the

Addition of ethylene dibromide to petrol 

What is the process of changing a substance directly from solid to gas called ?

A fluid flows through a horizontal pipe. The pressure drops by 2000 Pa and speed increases from 2 m/s to 4 m/s. Find density.

What is the smallest unit of the kidney called?

Which period and group in the long form of periodic table contain maximum number of elements?

Galvanisation is the process of depositing a layer of ________ on iron.

You will see that the atomic radius decreases in moving from left to right along a period in the Periodic Table. The reason for this is-

Which planet is known as the Red Planet?

Which muscle type is involuntary and found in internal organs?