Chemical Equations


 
 
Concept Explanation
 

Chemical Equations

A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulae, wherein the reactant entities are given on the left-hand side and the product entities on the right-hand side.

Reactantsoverset{catalyst }{rightarrow}Products

As an example, the equation for the reaction of hydrochloric acid with sodium can be denoted: 

   2 HCl: +: 2 Na :rightarrow: 2NaCl: + :H_2(g)

Hydrochloric    Sodium       Sodium chloride   Hydrogen

     acid

 

Sample Questions
(More Questions for each concept available in Login)
Question : 1

Among the following types of chemical reactions, application of metal reaction?

Right Option : B
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Explanation
Question : 2

A chemical equation is the symbolic representation of a chemical reaction in the form of _______________ and formulae.

Right Option : B
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Explanation
Question : 3

Which of the following is a balanced chemical equation :

(a) H2 + O2 → 2H2O

(b) PCl5 + 4H2O → H3PO4 + 5HCl

Right Option : B
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Explanation
 
 


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