What is white Phosphorus? 

Which of the following method is adopted to remove salt from sea water?

Transfer of pollen grains from anther to the stigma of a flower is called ___.

By which process oil is converted into Vegetable Ghee?

Black soil color is black due to presence of abundant minerals?

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

Which gas is used for unnatural ripening of fruits?

Penicillin is extracted from-