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Acids Bases And...

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  • Question 1
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    Which one of the following is not a bleaching agent?

  • Question 2
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    Gypsum is

  • Question 3
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    An aqueous solution of a sodium salt was electrolysed by using graphite electrodes in an electrolytic cell. A gas 'X' was evolved at the anode. When 'X' was allowed to mix with hydrogen sulphide gas contained in a jar, a yellow coloured solid was deposited on the walls of the gas jar. Which one of the following gases is 'X'?

  • Question 4
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    Permanent hardness of water can be removed by adding

  • Question 5
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    Sodium bicarbonate is also known as

  • Question 6
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    Which of the following is not a salt?

  • Question 7
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    Which of the following is used for disinfecting drinking water?

  • Question 8
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    Which of the following is not a use of sodium hydrogen carbonate?

  • Question 9
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    Which of the following salts is used as a plaster for supporting fractured bones?

  • Question 10
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    Which of the following salts is insoluble in water?

  • Question 11
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    Potassium ferrocyanide is a

  • Question 12
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    Which among the following is not an alkali?

  • Question 13
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    Which of the following acts as a Bronsted acid but not a Lewis acid?

  • Question 14
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    Which of the following solutions can cause a strip of onion to lose its odour?

  • Question 15
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    Which of the following acids is present in ant sting?

  • Question 16
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    Which of the following is a dibasic acid?

  • Question 17
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    Which of the following is a triacidic base?

  • Question 18
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    Which of the following indicators shows colour changes in the entire pH range?

  • Question 19
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    Which of the following gases is evolved when metal hydrogen carbonate reacts with an acid?

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