Tag: chemistry

Questions Related to chemistry

Which one of the following is less polluting fuel?

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. Natural gas

  2. Coal

  3. Kerosene

  4. Petrol

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Correct Option: A
Explanation:

On burning natural gas it does not produce harmful gases, hence it is less polluting fuel.

According to Euro - III amount of sulphur in petrol and Diesel is :

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. 150 PPM & 350 PPM

  2. 350 PPM & 150 PPM

  3. 50 PPM

  4. 350 PPM

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Correct Option: A

Choose the odd one out from the following and give reason for your choice.

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. Firewood

  2. Charcoal

  3. Coal

  4. Petrol

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Correct Option: D
Explanation:

Petrol, is the odd one out. Since, the coal, charcoal, firewood are solid natural resources that are obtained from nature, while petrol is liquid fuel.

Petroleum is a dark coloured, viscous, strong smelling liquid.

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. True

  2. False

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Correct Option: A

Petroleum is:

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. a renewable resource

  2. a non renewable resource

  3. synthetic and biodegradable

  4. infinite and unconventional

Show answer
Correct Option: B
Explanation:

Petroleum resource is a non renewable resource.
The limited quantity of petroleum is present in the earth which when exhausted cannot be obtained again.

Thermal power plants make use of:

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. fast flowing water

  2. uranium and thorium

  3. coal, petroleum and natural gas

  4. none of these

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Correct Option: C
Explanation:

Thermal power plants make use of coal, petroleum and natural gas.

Petroleum is commonly called as:

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. black gold

  2. yellow gold

  3. green gold

  4. blue gold

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Correct Option: A
Explanation:

Petroleum is also called as the black gold because it is the important source of energy. Byproducts of petroleum are very valuable and expensive.

Thus, option $A$ is correct.

Anaerobic fermentation is a process which helps in the formation of:

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. coal gas

  2. natural gas

  3. water gas

  4. petroleum

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Correct Option: B
Explanation:

Natural gas is formed by the action of anaerobic bacteria on the plants or vegetation thousand of years ago.Over the years under high temperature and pressure, methane gets converted to natural gas.

Petroleum is soluble in water.

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. True

  2. False

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Correct Option: B
Explanation:
It is lighter than water and insoluble in water. So answer is B.

Petroleum is a renewable fossil fuel

chemistry rocks and minerals coal petroleum non-renewable sources of energy

  1. True

  2. False

Show answer
Correct Option: B
Explanation:

Petroleum is a fossil fuel which is formed deep under the earth's crust in thousands of years which is a non renewable resource which once depleted cannot be replenished back.It cannot be made artificially in the laboratories.