Science : Ch 02 – Acids Bases and Salts

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Science : Ch 02 – Acids Bases and Salts

This test is designed based on NCERT Syllabus for Class 10 Topics : Acids Bases and Salts

  • Each time random 15 questions will be displaced
  • So retake the quiz till you have mastered all the questions

1 / 15

Calcium phosphate is present in tooth enamel. Its nature is:

2 / 15

Which of the following is not a mineral acid?

3 / 15

Baking soda is a blend of:

4 / 15

Which of the following substances will not give carbon dioxide on treatment with dilute acid?

5 / 15

Common salt other than being used in kitchen can also be used as the raw material for  making:

  1. Washing soda

  2. Bleaching powder

  3. Baking soda

  4. Slaked lime

6 / 15

Which of the subsequent phenomena occur, when a slight amount of acid is added to water?

  1. It turns lime water milky

  2. It extinguishes a burning splinter.

  3. It dissolves in a solution of sodium hydroxide.

  4. It has a pungent odour

7 / 15

Which of the subsequent is/are true when HCl(g) is passed through water?

  1. It does not ionise in the solution as it is a covalent compound

  2. It ionises in the solution

  3. It gives both hydrogen and hydroxyl ions in the solution.

  4. It forms hydronium ion in the solution due to the combination of hydrogen ion with water molecule

8 / 15

Name the acid along present in ant sting

9 / 15

The chemical formula for methonic acid

10 / 15

An old person complained of acute pain in stomach. Doctor gave small antacid tablet and he got immediate relief. What actually happened?

11 / 15

The pH of pure water is

12 / 15

Hydrogen is used in manufacture

13 / 15

How many water molecules are present in plaster of paris

14 / 15

Which of the following statements is true for acids?

15 / 15

The other name of methanoic acid is

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