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Borax bead test is given by 

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Important Questions on Practical Chemistry

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10th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 10 - Practical Chemistry>EXERCISE>Q 23
Titration is a type of 
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10th CBSE
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Foundation Course Chemistry>Chapter 10 - Practical Chemistry>EXERCISE>Q 24

A student took two test tubes containing 2 mL of dilute hydrochloric acid and added zinc granules to test tube (A) and solid sodium carbonate to test tube (B) as shown below.

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The correct observation would be

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10th CBSE
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Foundation Course Chemistry>Chapter 10 - Practical Chemistry>EXERCISE>Q 25
A salt on reacting with dil. H2SO4 gives a reddish brown gas. The salt is 
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10th CBSE
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Foundation Course Chemistry>Chapter 10 - Practical Chemistry>EXERCISE>Q 26
When H2S is passed through a ammonical salt solution X, a white precipitate is obtained. X can be a
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10th CBSE
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Foundation Course Chemistry>Chapter 10 - Practical Chemistry>EXERCISE>Q 27
While preparing soap, a small quantity of common salt is generally added to the reaction mixture of vegetable oil and sodium hydroxide. Which one of the following may be the purpose of adding common salt?
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10th CBSE
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Foundation Course Chemistry>Chapter 10 - Practical Chemistry>EXERCISE>Q 28
Which of the following does not give borax bead test?
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10th CBSE
IMPORTANT
Foundation Course Chemistry>Chapter 10 - Practical Chemistry>EXERCISE>Q 29
Which of the following salts give white ppt. with ammonium hydroxide?
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10th CBSE
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Foundation Course Chemistry>Chapter 10 - Practical Chemistry>EXERCISE>Q 30
Separation of organic compounds by column chromatography is due to