Science, asked by tannu72, 1 year ago

how chemical reaction are classified according to their special features?give examples

Answers

Answered by Anonymous
4
THERE ARE FIVE TYPES OF CHEMICAL REACTION:-

1. COMBINATION REACTION :- two or more substances combine to form a new compound but it's not limited to the reactions of elements with Oxygen and Sulfur etc.

2. DECOMPOSITION REACTION :- a single compound undergoes a reaction that produces two or more singular substance.

3. SINGLE REPLACEMENT REACTION :- when ions of two compounds exchange places in aqueous solutions to form two new compounds
One of the compounds formed is usually a precipitate, an insoluble gas that bubbles out of the solution.

4. DOUBLE DISPLACEMENT REACTION :- when ions of two compounds exchange places in aqueous solutions to form two new compounds. One of the compounds formed is usually a precipitate, an insoluble gas that bubbles out of the solution, or a molecular compound (usually water).

5. Combustion Reactions: when reactive elements  combine with oxygen, releasing a large amount of energy in the form of light and heat (e.g. the burnin of wood, natural gas, and gasoline).

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