Coal and Petroleum quiz

Which of the following is an exhaustible natural resource?

The slow process by which dead vegetation is converted into coal is called:

The almost pure form of carbon obtained from coal is:

Naphthalene balls used to repel moths are obtained from:

The petroleum product used for surfacing roads is:

The world's first oil well was drilled in:

CNG stands for:

Petroleum is called "black gold" because:

Which of the following is not a fossil fuel?

Lubricating oil and paraffin wax are obtained from:

Why are coal, petroleum and natural gas called fossil fuels? (2 marks)

Give two advantages of using CNG instead of petrol or diesel in vehicles. (2 marks)

State two uses of coke. (2 marks)

Name four useful substances made from coal tar. (2 marks)

What is coal gas? Where is it mainly used today? (2 marks)

Describe briefly how petroleum was formed. (2 marks)

Why are fossil fuels called exhaustible natural resources? (2 marks)

Name two places in India where natural gas is found. (2 marks)

Write two tips given by PCRA to save petrol or diesel while driving. (2 marks)

How does the excessive burning of fossil fuels lead to global warming? (2 marks)

In a refinery, a sample of 200 L of crude oil was separated into 50 L of petrol, 30 L of kerosene, 60 L of diesel and the rest as other products. Find the percentage of each product, including the other products. (3 marks)

A family's LPG cylinder containing 14.2 kg of gas lasts 30 days. Find the average gas used per day. If the family saves 10% of the gas by covering vessels while cooking, for about how many days will a cylinder now last? (3 marks)

A region has coal reserves of 3000 million tonnes and mines 100 million tonnes a year. For how many years will the coal last? If the yearly mining increases by 20% and then stays at that new level, how long will the coal last? (3 marks)

A scooter runs 50 km on a litre of petrol and its owner rides 30 km a day. Find the petrol used in 30 days and its cost at Rs 100 per litre. If switching off the engine at red lights saves 5% of the petrol, how much money is saved in a month? (3 marks)

The first commercial oil well was drilled in 1859, while the petroleum it tapped took millions of years to form. How many years before 2026 was the first oil well drilled? Explain, using these time scales, why petroleum cannot be replaced as fast as we use it. (3 marks)

Read the passage and answer the questions. In a coal processing plant, coal is heated strongly in the absence of air. This gives a solid residue, a thick black liquid with an unpleasant smell and a gas. (i) Name the three products obtained. (ii) State two uses of the solid product and two uses of the liquid product. (iii) Why is the gas mainly used as a fuel in industries located near coal processing plants? (5 marks)

Read the passage and answer the questions. In India, oil was first struck at Makum in Assam in 1867, and the Digboi refinery in Assam is one of the oldest in the world. Today, oil is also produced at Mumbai High, in Gujarat and in the Godavari and Krishna river basins. (i) Why is petroleum found along with natural gas and water in the same deposit? (ii) Name two other oil-producing regions in India mentioned in the passage. (iii) Why must crude oil be refined before use? (5 marks)

Read the passage and answer the questions. A poster put up by the Petroleum Conservation Research Association at a petrol pump says: "Drive at a constant and moderate speed. Switch off the engine at traffic lights. Keep the correct tyre pressure. Get your vehicle serviced regularly." (i) Why is it important to save petrol and diesel? (ii) How does switching off the engine at traffic lights save fuel? (iii) Suggest two other ways in which people can reduce the use of petrol and diesel. (5 marks)

Read the passage and answer the questions. Many Indian cities, including Delhi, have changed their public buses and auto-rickshaws from diesel and petrol to CNG. Since then, the amount of smoke from these vehicles has fallen considerably. (i) Why is CNG considered a cleaner fuel? (ii) Give two other uses of natural gas. (iii) CNG is cleaner, but is it an inexhaustible resource? Explain. (5 marks)

Read the passage and answer the questions. Scientists report that the average temperature of the Earth is rising, glaciers are melting and weather patterns are changing. One major reason is the increasing amount of carbon dioxide released into the air. (i) Name the human activity that releases most of this carbon dioxide. (ii) Write two harmful effects of global warming. (iii) Suggest two steps that can reduce carbon dioxide emissions. (5 marks)

Draw a flowchart showing how coal was formed. Explain carbonisation, describe the products obtained by processing coal in industry, and list two uses of each product. (6 marks)

Draw a labelled diagram of a petroleum and natural gas deposit. Explain how petroleum was formed, how it is extracted and refined, and name five constituents of petroleum with one use of each. (6 marks)

Draw a labelled diagram showing how natural gas is found above petroleum in a deposit. Describe three uses of natural gas, explain why CNG is an important fuel, and name two places in India where natural gas has been found. (6 marks)

Draw a flowchart classifying natural resources into exhaustible and inexhaustible resources, with examples. Explain why fossil fuels should be used carefully, and describe four ways in which you can help conserve them at home and while travelling. (6 marks)

Draw a labelled flowchart comparing the products obtained from coal and from petroleum. Compare coal and petroleum in terms of origin, physical state and uses, and explain how burning both causes air pollution. (6 marks)