Acids, Bases and Salts [NSO Level 1- Science Olympiad (SOF) Class 7]: Questions 1 - 6 of 38

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Question number: 1

» Acids, Bases and Salts

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MCQ▾

Question

Potassium chlorate is used in which of the following industry?

Choices

Choice (4)Response

a.

Match industry

b.

Detergent industry

c.

Juice industry

d.

Soap industry

Question number: 2

» Acids, Bases and Salts

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MCQ▾

Question

Curd contains which of the following acid?

Choices

Choice (4)Response

a.

Malic acid

b.

Acetic acid

c.

Lactic acid.

d.

Citric acid

Question number: 3

» Acids, Bases and Salts

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MCQ▾

Question

Which of the following is a property of acid?

Image shows the acid

Image Shows the Acid

Choices

Choice (4)Response

a.

It tastes bitter.

b.

It turns red litmus paper to blue.

c.

It turns blue litmus paper to red.

d.

None of the above

Question number: 4

» Acids, Bases and Salts

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Match List-Ⅰ List-Ⅱ▾

Question

Match the Column I & Column II by selecting the correct option?

List-Ⅰ (Column I)List-Ⅱ (Column II)

(A)

Salt

(i)

HCl

(B)

Base

(ii)

Baking Soda

(C)

Acid

(iii)

NH4Cl

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)

a.

  • (iii)
  • (i)
  • (ii)

b.

  • (ii)
  • (iii)
  • (i)

c.

  • (iii)
  • (ii)
  • (i)

d.

All of the above

Question number: 5

» Acids, Bases and Salts

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MCQ▾

Question

In a titration experiment, lime water turns green in presence of which of the following indicators?

Choices

Choice (4)Response

a.

Bromothymol Blue

b.

Methyl Orange

c.

China Rose

d.

Phenolphthalein

Question number: 6

» Acids, Bases and Salts

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MCQ▾

Question

The given figure shows the color changes in the experimental tubes for acid-base titration. Identify the indicator used in the experiment by selecting the correct option.

Identify the indicator used in the experiment

Identify the Indicator Used in the Experiment

Choices

Choice (4)Response

a.

Methyl Red

b.

Methyl Orange

c.

Phenol Red

d.

Phenolphthalein

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