NSO Level 1- Science Olympiad (SOF) Class 10: Questions 574 - 578 of 986

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Question number: 574

» Acids, Bases and Salts

Edit
MCQ▾

Question

How many are required to neutralize Solution.

Choices

Choice (4) Response

a.

12.3

b.

10.5

c.

10

d.

10.6

Question number: 575

» Chemical Reactions and Equation

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MCQ▾

Question

Which of the following reactions will not occur?

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 576

» Sources of Energy

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MCQ▾

Question

Consider the following statements. Limitation of nuclear fusion is

(i) Environment contamination due to improper nuclear waste storage and its disposal

(ii) High cost maintenance

(iii) Risk of accidental leakage of harmful radiation

Which of the above statements are correct?

Choices

Choice (4) Response

a.

Only statements (i) and (ii) is correct

b.

All statement are correct

c.

Only statements (ii) and (ii) is correct

d.

Only statements (i) and (iii) is correct

Question number: 577

» Light - Reflection and Refraction

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MCQ▾

Question

Read the given statement and mark the correct option.

Statement 1: Image formed by plane mirror is real, upright, and smaller than object

Statement 2: Uses of plane mirror in telescope

Choices

Choice (4) Response

a.

Statements 1 and 2 are incorrect

b.

Statements 1 and 2 are correct

c.

Only statement 1 is correct

d.

Only statement 2 is correct

Question number: 578

» Metals and Non - Metals

Edit
MCQ▾

Question

In 18 carats gold, percentage of mixed pure gold and other metal is

Choices

Choice (4) Response

a.

b.

c.

d.