CH4
N2O
CO2
N2
Which among the given is usually not an air-pollutant
Which among the given metals is used in Space Crafts to withstand high temperatures -
Which among the given will replace hydrogen from acids to form salts -
Which bond has the greatest ionic character?
Which combination of atoms can form a polar covalent bond?
Which component is used to harden the rubber in the vulcanization process?
Which compound is a nonelectrolyte?
Which electromagnetic radiation is emitted by radioactive substances
Which gas emitted by power stations causes acid rain?
Which gas is used as fire extinguisher ?
