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Question (21)

QN005813

A vehicle uses 35 litres of petrol weekly. How much petrol is used in 12 weeks?

(A) 350 litres
(B) 400 litres
(C) 420 litres
(D) 450 litres

Correct Answer: C

Explanation:

35 × 12 = 420 litres.

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Question (22)

QN005814

Which environmental problem is associated with excessive use of fossil fuels?

(A) Air pollution
(B) Increased soil fertility
(C) Increased oxygen production
(D) Faster soil formation

Correct Answer: A

Explanation:

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Question (23)

QN005815

A city consumes 5000 litres of diesel daily. How much diesel is consumed in 30 days?

(A) 120000 litres
(B) 130000 litres
(C) 140000 litres
(D) 150000 litres

Correct Answer: D

Explanation:

5000 × 30 = 150000 litres.

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Question (24)

QN005816

Which of the following is a cleaner fossil fuel compared to coal?

(A) Natural gas
(B) Wood
(C) Peat
(D) Charcoal

Correct Answer: A

Explanation:

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Question (25)

QN005817

A coal reserve contains 80,000 tonnes of coal. If 5,000 tonnes are extracted, how much remains?

(A) 70,000 tonnes
(B) 72,000 tonnes
(C) 75,000 tonnes
(D) 78,000 tonnes

Correct Answer: C

Explanation:

80,000 − 5,000 = 75,000 tonnes.

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Question (26)

QN005818

What is crude oil?

(A) Unprocessed petroleum obtained from the Earth
(B) Purified petrol
(C) Liquid water underground
(D) A type of mineral ore

Correct Answer: A

Explanation:

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Question (27)

QN005819

A refinery produces 240 litres of petrol from a batch of crude oil. If 5 identical batches are processed, how much petrol is produced?

(A) 1000 litres
(B) 1100 litres
(C) 1200 litres
(D) 1300 litres

Correct Answer: C

Explanation:

240 × 5 = 1200 litres.

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Question (28)

QN005820

Which of the following helps conserve fossil fuels?

(A) Using public transport
(B) Keeping engines running unnecessarily
(C) Wasting electricity
(D) Burning extra fuel

Correct Answer: A

Explanation:

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Question (29)

QN005821

A power station has 600 tonnes of coal. If it uses 120 tonnes, what percentage remains?

(A) 60%
(B) 70%
(C) 80%
(D) 90%

Correct Answer: C

Explanation:

Remaining = 480 tonnes = 80% of 600.

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Question (30)

QN005822

Which country has made efforts to increase cleaner energy use and reduce dependence on fossil fuels?

(A) India
(B) Moon
(C) Antarctica
(D) Arctic Ocean

Correct Answer: A

Explanation:

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Question (21)

A vehicle uses 35 litres of petrol weekly. How much petrol is used in 12 weeks?

Explanation:

Link:

Question (22)

Which environmental problem is associated with excessive use of fossil fuels?

Explanation:

Link:

Question (23)

A city consumes 5000 litres of diesel daily. How much diesel is consumed in 30 days?

Explanation:

Link:

Question (24)

Which of the following is a cleaner fossil fuel compared to coal?

Explanation:

Link:

Question (25)

A coal reserve contains 80,000 tonnes of coal. If 5,000 tonnes are extracted, how much remains?

Explanation:

Link:

Question (26)

What is crude oil?

Explanation:

Link:

Question (27)

A refinery produces 240 litres of petrol from a batch of crude oil. If 5 identical batches are processed, how much petrol is produced?

Explanation:

Link:

Question (28)

Which of the following helps conserve fossil fuels?

Explanation:

Link:

Question (29)

A power station has 600 tonnes of coal. If it uses 120 tonnes, what percentage remains?

Explanation:

Link:

Question (30)

Which country has made efforts to increase cleaner energy use and reduce dependence on fossil fuels?

Explanation:

Link:

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