Addition of oxygen refers to _________.

Oxidation refers to ________ .

Which of the following is/are oxidants?

Addition of hydrogen refers to _________.

Reduction refers to ________ .

Losing of electrons is _________.

Gaining of electrons is _________.

Formula of rust is ___________.

Complete the reaction at anode
2 fe —> 2 ___ + 4 e-

Rancidity in the food stuff is prevented by using ___________.

Tetravalent means valency is

Carbon is monovalent

There is 71% oxygen in environment

Carbon is the _____most abundant element present

Carbon is absent in amino acids

Dimond is an allotrope of silicon

The statement "carbon is everywhere" is

Unique ability of carbon atoms to form bond with itself is called ______

Hydrocarbon means carbon with