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Chemistry Laboratory Practical Experiment - Test the given sample for the presence of acid or base | 10th Science : Chemistry Practicals

Chapter: 10th Science : Chemistry Practicals

Test the given sample for the presence of acid or base

To identify the presence of an acid or a base in a given sample.

TEST THE GIVEN SAMPLE FOR THE PRESENCE OF ACID OR BASE

 

Aim:

To identify the presence of an acid or a base in a given sample.

 

Materials Required:

Test tubes, test tube stand, glass rod, phenolphthalein, methyl orange, sodium carbonate salt and the given sample.

 

Principle:

In acid medium,

(a) Phenolphthalein is colourless

(b) Methyl orange is yellow in colour

(c) Sodium carbonate gives brisk effervescence.

In Base medium,

(a) Phenolphthalein is pink in colour

(b) Methyl orange is pink in colour

(c) Sodium carbonate does not give brisk effervescence.

 

Procedure:


 

Result:

The given test solution contains _____________ (acid / base).


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10th Science : Chemistry Practicals : Test the given sample for the presence of acid or base | Chemistry Laboratory Practical Experiment


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