Combination Reaction


 
 
Concept Explanation
 

Combination Reaction

Combination Reactions:  

A chemical reaction in which two or more substances (reactants) combine to form a new substance ( product) is called combination reaction. For example:

2H_2 (g) + O_2(g) rightarrow 2 H_2 O (g)

Combination of nitrogen and hydrogen gas yields ammonia gas.

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Sample Questions
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Question : 1

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 2H_2 (g) + O_2(g) rightarrow 2 H_2 O (g)

(c) Combination of nitrogen and hydrogen gas yields ammonia gas.

N_2 (g) + 3H_2 (g) rightarrow 2NH_3(g)

Right Option : D
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Question : 2

Which of the following is not an example of a combination reaction?

Right Option : D
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Question : 3

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) Combination of nitrogen and hydrogen gas yields ammonia gas.

N_2 (g) + 3H_2 (g) rightarrow 2NH_3(g)

Right Option : C
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