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A substance whose aqueous solutions do not conduct electricity.

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Ester

A Compound of the general formula R-C-O-R1 where R and R1 may be the same or different, and may be either aliphatic or aromatic.

Chemistry is a familiar school subject

Everyone liked to observe the reaction of reagents. But few know interesting facts about chemistry, which we will discuss in this article.

Explosive limits

The range of concentrations over which a flammable vapour mixed with proper ratios of air will ignite or explode if a source of ignitions is provided.

Law of Conservation of Matter and Energy

The total amount of matter and energy available in the universe is fixed.

Dumas Method

A method used to determine the molecular weights of volatile liquids.

Optical Activity

The rotation of plane polarized light by one of a pair of optical isomers.

 

Reaction Quotient

The mass action expression under any set of conditions (not necessarily equlibrium), its magnitude relative to K determines the direction in which the reaction must occur to establish equilibrium.

Molecule

The smallest particle of an element or compound capable of a stable, independent existence.

Manometer

A two-armed barometer.

Free Radical

A highly reactive chemical species carrying no charge and having a single unpaired electron in an orbital.