What is the meaning of reaction?

Answer 1

Any action in resisting other action or force; counter tendency; movement in a contrary direction; reverse action., The mutual or reciprocal action of chemical agents upon each other, or the action upon such chemical agents of some form of energy, as heat, light, or electricity, resulting in a chemical change in one or more of these agents, with the production of new compounds or the manifestation of distinctive characters. See Blowpipe reaction, Flame reaction, under Blowpipe, and Flame., An action induced by vital resistance to some other action; depression or exhaustion of vital force consequent on overexertion or overstimulation; heightened activity and overaction succeeding depression or shock., The force which a body subjected to the action of a force from another body exerts upon the latter body in the opposite direction., Backward tendency or movement after revolution, reform, or great progress in any direction.

Answer 2

This is a reaction which occur in a living organism.

Answer 3

A chemical reaction is a process in which one or more substances (reactants) are changed into one or more products which differ in physical and chemical properties from the reactants.

Example: the formation of sodium chloride (table salt) from sodium metal and chlorine gas.

2Na + Cl2 --> 2NaCl

Sodium is gray metal that is dangerous due to its vigorous reaction with water, and chlorine gas is a greenish-yellow toxic gas. When they react, they produce sodium chloride, which is used to preserve meat and to season food.

Answer 4

It means what will happen like. E.G. It may react like an explosion.

Answer 5

it is something that changes like rust on metal

Answer 6

This is a characteristic of a chemical reaction: how fast or slow a reaction occur.

Answer 7

A chemical reaction is the interaction between reactants to obtain new compounds called products.