Conservation of Fossil Fuels

Q.

Which of the following is not a forest product?

1. Gum

2. Plywood

3. Sealing wax

4. Kerosene

Q.

What are the disadvantages of fossil fuels?

Q.

Can you name four fuels used in our homes? [2 MARKS]

Q.

Fossil fuels can be made in the laboratory.

1. True
2. False

Q.

________ is used as a cooling agent in refrigerators.

1. Nitrogen

2. Liquid Oxygen

3. Liquid Nitrogen

4. Oxygen

Q.

The most appropriate definition of a natural resource is that it is a substance/commodity that is:

1. Present only on land

2. a gift of nature which is very useful to mankind.

3. A manmade substance placed in nature

4. available only in the forest

Q.

Suggest three measures to reduce the consumption of fossil fuels.

Q. What steps should be taken for conservation of energy resources?

Q.

Question 10

List the steps to conserve the resources.

Q.

Mention different types of fossil fuels?

Q.

Pick the right combination of terms which has no fossil fuel. (a) Wind, ocean and coal (b) Kerosene, wind and tide (c) Wind, wood, sun (d) Petroleum, wood, sun

Q. Why don't we use petrol instead of coal in thermal power plants though petrol has higher calorific value and can produce more energy?

Q.

Which among these is not a product of petroleum?

A) Diesel
B) Ethanol
C) Petrol

D) Natural gas

Q.

Define fossil fuels.

Q.

Fossil fuels that are available in limited amounts?

Q. Suggest four measures to conserve fossil fuels.

Q. Distinguish between biofuels and fossil fuels.

Q. Fossil fuels are

1. Conventional resources
2. Non-conventional resources
3. Non-renewable resources
4. Both A and C

Q. Which of the following statements are correct?

1. LPG is preferred over coal for cooking.
2. Petroleum is preferred over coal as fuel in vehicles.
3. Charcoal is preferred over coal for cooking.
4. Wind energy is preferred over coal for electricity production.

Q.

The most exploited non-renewable resource is

1. Water

2. Petroleum

3. Electricity

4. All of the above

Q. The fuel used in our modern gas stove is:

1. Petrol
2. LPG
3. Kerosene
4. Hydrogen

Q. Which of the following is not a forest product?

1. Sealing wax
2. Kerosene
3. Gum
4. Plywood

Q. Producer gas contains mainly ___________.

1. nitrogen and carbon monoxide
2. hydrogen and nitrogen
3. nitrogen and carbon dioxide
4. hydrogen and carbon dioxide

Q. Bio-alcohol is considered as a petrol substitute for road transport vehicles.

1. False
2. True

Q.

Among the following fuels, which has the least calorific value:

CNG, Petrol, Cow Dung Cake, Wood.

1. Cow dung cake

2. Wood

3. Petrol

4. CNG

Q. Which one of the following is not a fossil fue;?

1. coal
2. uranium
3. petroleum
4. natural gas

Q. Bio-alcohol is considered as a petrol substitute for road transport vehicles.

1. True
2. False

Q. Which one of the following can be used in place of petrol?

1. Ethanol
2. Butanol
3. Propanol
4. Methanol

Q.

Among the following fuels, which has the least calorific value:

CNG, Petrol, Cow Dung Cake, Wood.

1. CNG

2. Petrol

3. Cow dung cake

4. Wood

Q. Why does the sales person in a cloth store switch on all the lights, when we go in, to purchase clothes?