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Carbon compounds are of two types: inorganic and organic. The compounds that have a mineral origin fall under the category of inorganic compounds. The compounds having plant or animal origin are classified as organic compounds. Lavoisier showed that nearly all compounds of plant origin a..

Its vapor density = 18.25 (Vapor density of air = 14.4), hence it is nearly 1.25 times denser than ai..

This stage involves the electrolysis of residue of third stage and here; nearly 99% of heavy water is obtained. The gases evolved are burnt as usual, and sent to third stage cell..

The atoms of the two elements, which have equal or nearly equal electron affinities tend to complete their outer shells by mutual sharing of electrons. This is because electron transfer in such cases will not be possible. Atoms tend to share the electrons and form a covalent bond when eq..

Vapor density The vapor density of chlorine = 35.5, which is nearly 2.5 times denser than air (Vapor density of air = 14.4..

Hydrogen being the lightest gas, was earlier used in meteorological balloons and dirigibles (a balloon airship used during world war I). But since it is highly combustible, it was replaced by helium gas even though helium is nearly four times denser than hydroge..

The liquid drops have nearly spherical shapes. Because of surface tension, the free surface of a liquid tends to attain minimum surface area. Since the sphere has minimum surface area for a given volume of liquid, the liquid tries to adopt spherical shape. Examples are water droplets or ..

Molecular substance having nearly spherical molecules have closed packed arrangements. Examples: Solid H 2 has hcp structure, while solid CH 4 , HCl, H 2 S have ccp structu..

It is prepared by the destructive distillation of bones of animals. Bones obtained from slaughter houses, are first treated with certain bacteria to remove all the fleshy remnants. Then the bones are taken in a furnace and heated strongly in the absence of air. The solid matter obtained contains ..

Gas is one of the three states of matter - the other two being liquid and solid. A gas differs from a solid and a liquid in a number of ways. A gas fills entire space available to it and therefore it has no definite shape or volume. The molecules in a gas are in a continuous motion in all possible ..