NSO Level 1- Science Olympiad (SOF) Class 10: Questions 136 - 140 of 986

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Question number: 136

» Chemical Reactions and Equation

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MCQ▾

Question

Which of the following is incorrect for the ionic compounds?

Choices

Choice (4) Response

a.

Its reduced cation and anion in its aqueous solution

b.

The compound formed is solid.

c.

It’s soluble in water.

d.

Its insoluble in water

Question number: 137

» Mental Ability

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MCQ▾

Question

The difference between an exterior angle of sided regular polygon and an exterior angle of sided regular polygon is , then the value of is ________.

Choices

Choice (4) Response

a.

12

b.

15

c.

14

d.

13

Question number: 138

» Mental Ability

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MCQ▾

Question

Figure (X) is followed by four figures (A), (B), (C) and (D) such that (X) is embedded in one of them. Trace out of the correct alternative.

 Image shows figure (X)

Image Shows Figure (X)

This image shows figure (X)

Choices

Choice (4) Response

a.

 Figure shows embedded – Choice A

Figure Shows Embedded – Choice A

This figure shows embedded

b.

 Figure shows embedded – Choice B

Figure Shows Embedded – Choice B

This figure shows embedded

c.

 Figure shows embedded – Choice C

Figure Shows Embedded – Choice C

This figure shows embedded

d.

 Figure shows embedded – Choice D

Figure Shows Embedded – Choice D

This figure shows embedded

Question number: 139

» Mental Ability

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MCQ▾

Question

In a group of cows and hens, the number of legs is 24 more than twice the number of heads. What is the number of cows in the group?

Choices

Choice (4) Response

a.

15

b.

18

c.

12

d.

10

Question number: 140

» Acids, Bases and Salts

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MCQ▾

Question

Moistened ammonia was placed on strip of paper. The color of the strip.

Choices

Choice (4) Response

a.

Did not change

b.

Turned green

c.

Turned blue

d.

Turned light pink