NSO Level 1- Science Olympiad (SOF) Class 10: Questions 199 - 205 of 986

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Question number: 199

» Carbon and Its Componds

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MCQ▾

Question

Which is not a properties of CNG Fuel?

Choices

Choice (4) Response

a.

During its combustion, sulphur and nitrogen gases are evolved.

b.

It is less expensive than petrol and diesel.

c.

CNG requires more air for ignition.

d.

No carbon particles are ejected during combustion.

Question number: 200

» Periodic Classification of Elements

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MCQ▾

Question

Which of the following is most electronegative in periodic table?

Choices

Choice (4) Response

a.

Lead

b.

Fluorine

c.

Silicon

d.

Carbon

Passage

Read the passage carefully and answer Questions below.

Following the circuit and answer the below question

Diagram of the circuit

Diagram of the Circuit

Diagram of the circuit

Question number: 201 (1 of 2 Based on Passage) Show Passage

» Electricity

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MCQ▾

Question

If battery voltage, then current in the given circuit is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 202 (2 of 2 Based on Passage) Show Passage

» Electricity

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MCQ▾

Question

If battery voltage, then current in the given circuit is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 203

» Heredity and Evolution

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MCQ▾

Question

The factors which leads to speciation are

Choices

Choice (4) Response

a.

Genetic drift

b.

Variations

c.

Geographical isolation

d.

Convergent evolution

Question number: 204

» Human Eye and Colourful World

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MCQ▾

Question

A long sighted person cannot see objects clearly at a distance less than from his eye. The power of the lens needed to read an object at is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 205

» Carbon and Its Componds

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MCQ▾

Question

Acetic acid was added to a solid X kept in a test tube. Y was evolved. Y is White solid or almost colorless, transparent, with a slight hint of blue, crystalline solid or liquid. It was concluded that

Choices

Choice (4) Response

a.

X is Ammonium sulphate and Y is Hydrogen.

b.

X is calcium hydroxide and Y is water

c.

X is sodium and Y is carbon dioxide

d.

None of the above