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 Subsequent salts does not carry water of crystallisation?

3 / 15

A visually challenged student, has to carryout a lab test to detect the presence of acid in a given solution. The acid-base indicator favoured by him will be:

4 / 15

If 10 mL of H2SO4 is mixed with 10 mL of Mg(OH)2 of the same concentration, the resultant solution will give the following colour with universal indicator:

5 / 15

identical volumes of hydrochloric acid and sodium hydroxide solutions of same concentration are mixed and the pH of the resulting solution is checked with a pH paper. What would be the colour obtained?

6 / 15

Sodium carbonate is a basic salt because it is a salt of:

7 / 15

Sodium hydrogen carbonate when added to acetic acid evolves a gas. Which of the following declaration are true about the gas evolved?

  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

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

Antacid are

12 / 15

What types of ions are formed when a base is dissolved in water ?

13 / 15

How many water molecules are present in plaster of paris

14 / 15

On strong heating, blue coloured copper sulphate crystals turns

15 / 15

The other name of methanoic acid is

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