Combination Reaction
Combination Reaction
Types of Chemical Reactions:
Chemical reactions are of different types. Some of them are described here.
Combination Reactions:
The reactions in which two or more substances combine to produce a single substance are known as combination reactions or synthesis reactions. This may be represented by:
Case I
When two elements combine to form a compound. Examples
(i) Hydrogen combines with oxygen to form water.
(ii) When magnesium burns in air or oxygen, magnesium oxide is formed.
(iii) Sodium combines with chlorine to form sodium chloride.
Case II
When two or more compounds combine to form a new compound: In some combination reactions two or more compounds combine together to produce a new compound. Examples:
A chemical reaction in which two or more substances (reactants) combine to form a new substance ( product) is called _________________. | |||
| Right Option : B | |||
| View Explanation | |||
Which of the following are correct ? (a) A chemical reaction in which two or more substances (reactants) combine to form a new substance ( product) is called combination reaction. (b) Combinations reaction is example of (c) Combination of nitrogen and hydrogen gas yields ammonia gas. | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following is not an example of a combination reaction? | |||
| Right Option : D | |||
| View Explanation | |||
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