If the mass of a body is 'm' on the surface of the earth, its mass on the surface of the moon will be :

Which element forms the maximum number of compounds with hydrogen?

If the edge of a cube is halved, then its volume reduces to _____times the actual volume.

Penicillin is extracted from-

Transboundary pollution (or) Acid rain is caused by–

The marshy gas which is produced on decomposition of organic matter and is mostly found in coal mines, is the name of that gas?

What is the scientific term for the speed of an object moving in a definite direction?

In Modern Periodic Table, there is an anomaly when it comes to the position of_____because it can be placed either in group 1 or group 17 in the first period