Chemistry Class 10 Chapter 10 - Acids, Bases and Salts - 8

Chemistry Class 10 Chapter 10 - Acids, Bases and Salts - 8

1. A substance that can donate a pair of electrons to form a cooridinate covalent bond is known as?

a) Lowry base
b) Lewis base
c) Arrhenius base
d) Lewis acid

2. BF3 is a(n)?

a) Arrhenius acid
b) Lowry acid
c) Bronsted acid
d) Lewis acid

3. The pH of pure water is?

a) 0
b) 4
c) 14
d) 7

4. Pb(OH)Cl is a?

a) soda ash
b) acidic salt
c) basic salt
d) normal salt

5. Complete the reaction.Acid + Base ---> ? + Water.

a) base
b) salt
c) acid
d) none

6. The substance that ionizes in water and produce OH - ions is known as?

a) none of these
b) acid
c) salt
d) base

7. The taste of acids is?

a) bitter
b) sour
c) no taste
d) sweet

8. The formula of Soda ash is?

a) NaOH
b) NaNO₃
c) NaCl
d) Na₂CO₃

9. The pH of gastric juice is?

a) 7
b) 0
c) 14
d) 1

10. The taste of bases is?

a) bitter
b) no taste
c) sour
d) sweet

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