Disadvantages of Burning Fossil Fuels

Q.

What happens in an oxidation reaction?

Q.

What is a pollutant? Name the major air pollutants.

Q.

Write down the advantages and disadvantages how using fossil fuel as a source of energy.

Q.

What is the formula for Aluminum Nitrite?

Q. What are the environmental consequences of the increasing demand for energy ?

Q. Which of the following is/are true about green house effect?

1. Greenhouse gases trap sun's heat energy.
2. Prevents drastic fall of temperature at night.
3. Reradiate the absorbed energy in all directions
4. Refracts the sun's heat energy back into space.

Q.

Opposition to the construction of large dams is due to

1. Social reasons

2. Economic reasons

3. Environmental reasons

4. All the above

Q.

Unburnt carbon particles are released on combustion of which type of fuel?

Q. Which of the following is not produced by the burning of fossil fuels?
(a) nitrogen oxides (b) sulphur oxides (c) sodium oxides (d) carbon oxides

Q.

Which gas is obtained by burning of fuels?

Q. We know that fossil fuels are formed from decayed plants and animals that have been converted to crude oil, coal, natural gas by exposure to heat and pressure in the earth's crust over millions of years. Since fossil fuels cannot be replenished by natural means at the same rate that it is consumed that’s why they are known as non-renewable sources of energy.

1. False
2. True

Q.

Differentiate between spontaneous oxidation, rapid oxidation and slow oxidation.

Q. What are the disadvantages of thermal power plants?

1. Heavy environmental pollution
2. They need to be set up near coal or oil fields
3. Depletion of ground natural reserves and fossil fuels
4. All of the above

Q.

What is aerial oxidation? How it can be involved in rancidity and corrosion?

Q.

What are the disadvantages of burning fossil fuels?

Q.

CNG is more polluting fuel than petrol.

1. True
2. False

Q.

Explain greenhouse effect in brief. [5 MARKS]

Q.

We need to conserve fossil fuels because:

1. They release less smoke.

2. They take millions of years to renew.

3. They are renewable sources of energy.

4. They are non-conventional sources of energy.

Q.

State two precautions that should be taken in using fossil fuel to avert the energy crisis?

Q.

Long answer questions.
What are the adverse effects of air pollution on the respiratory system? Explain.

Q. MCQ
1)Which fuel is obtained by decomposition of organic matter
a)bio gas
b)fossil fuel
​​​​C)natural gas

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Q.

Question 27
What are the environmental consequences of using fossil fuels? Suggest the steps to minimize the pollution caused by various sources of energy including non-conventional sources of energy.

Q.

Which is the most popular kitchen fuel in India?

1. LPG

2. Kerosene

3. Coal

4. Firewood

Q.

Define spontaneous oxidation.

Q.

Write a short note on the pollution caused by burning fossil fuels.

Q.

A substance that contaminates air is called a pollutant.

1. True
2. False

Q.

6. Support with an example that compound formation takes place with energy changes, using water formation and iron sulphide formation.

Q.

What are air pollutants? Write some harmful effects of air pollutants.

Q. Acid rain happens because:

Q.

The slurry left behind in a biogas plant is used for what purpose?