Acids, Bases and Salts (CBSE Class-7 Science): Questions 16 - 17 of 17

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Question number: 16

» Acids, Bases and Salts » Neutralization in Everyday Life » Factory Wastes

MCQ▾

Question

The waste of factories must be treated before it allowed to flow into rivers why?

Choices

Choice (4) Response

a.

To neutralise the harmful effect of carbon dioxide

b.

To neutralise bases present in the waste

c.

To neutralise acids present in waste

d.

Question does not provide sufficient data or is vague

Question number: 17

» Acids, Bases and Salts » Acids and Bases » Bases

MCQ▾

Question

Bases that dissolve in water are called as:

Choices

Choice (4) Response

a.

Weak bases

b.

Alkalis

c.

Strong bases

d.

None of the above

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