NSO Level 1- Science Olympiad (SOF) Class 8: Questions 133 - 137 of 1076

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Question number: 133

» Mental Ability

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MCQ▾

Question

An amount of Rs. 675 was divided between P, Q and R, If each of them had received Rs. 15 less, their shares would have been in the ration of . The money received by Q was________

Choices

Choice (4) Response

a.

Rs. 225

b.

Rs. 140

c.

Rs. 280

d.

Rs. 155

Question number: 134

» Coal and Petroleum

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MCQ▾

Question

Where the world’s first oil well was drilled?

Choices

Choice (4) Response

a.

Pennsylvania, USA, in 1959

b.

Pennsylvania, USA, in 1859

c.

Penisylvania, USA, in 1959

d.

Penisylvania, USA, in 1859

Question number: 135

» Coal and Petroleum

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MCQ▾

Question

Coal tar can be used as a starting material for manufacturing of which of the following?

I. Ointments

II. Medicines

III. Pesticides

IV. Synthetic fibres

Choices

Choice (4) Response

a.

II, III and IV only

b.

I, II, III and IV only

c.

I, II and III only

d.

II and III only

Question number: 136

» Coal and Petroleum

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MCQ▾

Question

Observe the figure of destructive distillation of coal. What are the three fractions P, R and U?

 Image showing distillation of coal.

Image Showing Distillation of Coal.

Image showing distillation of coal.

Choices

Choice (4) Response

a.

P – Coal tar, R – Boiling tube, U – Water

b.

P – Powdered coke, R – Coal gas, U – Boiling tube

c.

P – Boiling tube, R – Water, U – Burner

d.

P – Coal gas, R – Coal tar, U – Powdered coke

Question number: 137

» Coal and Petroleum

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MCQ▾

Question

Fill in the blanks with suitable words.

The age of P can be estimated by using radio carbon dating technique. Q is complex mixture of carbon, hydrogen and oxygen compounds. R is contains 98 % carbon and is used for S.

Choices

Choice (4) Response

a.

Table showing blanks suitable words.

Table showing blanks suitable words P, Q, R and S.

P

Q

R

S

Fossils

Coke

Petroleum

Paraffin waxes

b.

Table showing blanks suitable words.

Table showing blanks suitable words P, Q, R and S.

P

Q

R

S

Fossils

Coal

Coke

Manufacturing of steel

c.

Table showing blanks suitable words.

Table showing blanks suitable words P, Q, R and S.

P

Q

R

S

Coke

Coal gas

Natural gas

Power generation

d.

Table showing blanks suitable words.

Table showing blanks suitable words P, Q, R and S.

P

Q

R

S

Fossils

Coal tar

Coal

Generate electricity

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