NSO Level 1- Science Olympiad (SOF) Class 10: Questions 109 - 113 of 986

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Question number: 109

» Mental Ability

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MCQ▾

Question

If and then ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 110

» Mental Ability

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MCQ▾

Question

In the given Cartesian plane, the points, P, Q and S are three vertices of the rectangle PQRS. Find the co-ordinates of R.

 Diagram shows Cartesian plane

Diagram Shows Cartesian Plane

This diagram shows Cartesian plane

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 111

» Chemical Reactions and Equation

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MCQ▾

Question

Balanced above chemical reaction. If n (H), n (O) and n (C) are represent the number of H, number of O and number of C, respectively; then find n (H), n (O) and n (C).

Choices

Choice (4) Response

a.

0

b.

0

c.

d.

8

Question number: 112

» Acids, Bases and Salts

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MCQ▾

Question

Dilute hydrochloric acid is added to solid sodium bicarbonate. It is observed that

Choices

Choice (4) Response

a.

A loud sound is produced

b.

The solution turns blue

c.

Brick effervescence occurs

d.

No change takes place

Question number: 113

» Chemical Reactions and Equation

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MCQ▾

Question

What is the following is true for the oxidation reaction

(i) Oxidation is loss of the electron

(ii) Oxidation is loss of the hydrogen

(iii) Oxidation is gaining of the electron

(iv) Oxidation is gaining of the electron

Choices

Choice (4) Response

a.

(iv) and (ii)

b.

(i) and (iii)

c.

(i) and (ii)

d.

(ii) and (iii)