How to make equations more informative


 
 
Concept Explanation
 

How to make equations more informative

How to make equations more informative:

  • The physical states of the reactants and the products are indicated by using symbols like s, l, g and aq in brackets after their symbols or formulae where s stands for solid, aq stand for aqueous solution, l for liquid and g for gas. Thus the equation may be expressed as 
  • If a gas is evolved in the reaction, it is shown by an upward arrow line (­) after the products
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    Sample Questions
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    Question : 1

    Which of the following are correct :

    (a) In a chemical equation, the symbol 's' in a bracket represents Solid.

    (b) In a chemical equation, the symbol 'l' in a bracket represents Liquid.

    Right Option : C
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    Explanation
    Question : 2

    What does symbol 'l' in a bracket represents for in a chemical equation ?

    Right Option : A
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    Explanation
    Question : 3

    What does symbol 's' in a bracket represents for in a chemical equation ?

    Right Option : A
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    Explanation
     
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