Chemistry Class 10 Chapter 10 - Acids, Bases and Salts - 1

Chemistry Class 10 Chapter 10 - Acids, Bases and Salts - 1

1. The pH of acids from batteries is?

a) seven
b) zero
c) nine
d) fourteen

2. When the concentration of H⁺ ions and OH^- ions become equal in a solution, then it is?

a) acidic
b) basic
c) alkaline
d) neutral

3. Which one of the following is Not correct about water?

a) strong electrolyte
b) highly polar
c) liquid
d) weak electrolyte

4. The pH of ammonia solution is?

a) 11
b) 0
c) 7
d) 4

5. By the action of acids, the color of blue litmus turns?

a) no effect
b) red
c) yellow
d) blue

6. The pH of orange juice is

a) 6
b) 3
c) 4
d) 5

7. Arrhenius belonged to?

a) UK
b) Canada
c) USA
d) Sweden

8. NaCl is a?

a) none of these
b) normal salt
c) acidic salt
d) basic salt

9. The pH of saliva is?

a) 6
b) 5
c) 7
d) 4

10. Solutions with pH greater than 7 are?

a) neutral
b) none of these
c) basic
d) acidic

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