Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Very Short Answer Type Questions>Q 4

EASY

10th CBSE

IMPORTANT

Earn 100

Why does tooth decay start when the pH of the mouth is lower than $5.5$ ?

Important Questions on Acids, Bases And Salts

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10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Very Short Answer Type Questions>Q 5

What is the

pH

of a neutral solution?

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10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Very Short Answer Type Questions>Q 6

Which is more acidic: a solution of

p H = 2

or a solution of

p H = 6

?

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10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Very Short Answer Type Questions>Q 7

Which is more basic (or more alkaline): a solution of

p H = 8

or a solution of

p H = 11

?

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IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Very Short Answer Type Questions>Q 8

Name the scientist who developed the pH scale. (Sorenson / Arnaldus de Villa Nova)

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10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Very Short Answer Type Questions>Q 9

Name the indicator which can give us an idea of how strong or weak an acid or base is.

HARD

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Very Short Answer Type Questions>Q 10

The

p H

of soil

A

is

7.5

while that of soil

B

is

4.5

. Which of the two soils,

A

or

B

, should be treated with powdered chalk to adjust its

p H

and why?

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10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Very Short Answer Type Questions>Q 11

What is the name of the indicator which can be used for testing the

p H

of a solution?

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10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 2 - Acids, Bases And Salts>Very Short Answer Type Questions>Q 12

What colour will universal indicator show if you add it to the following substances?
Potassium hydroxide,

p H = 12