Tag: properties of alkanes

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Multiple choice chemistry rocks and minerals petroleum properties of alkanes petroleum and natural gas

What odorant is added to LPG to detect the leakage with smell?

  1. alcohol

  2. organo sulphur compounds

  3. coal tar

  4. chlorine gas
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

As LPG is odourless and the organo-sulphur compound has an unpleasant smell.


Hence, to detect the leakage, ethyl mercaptan (ethanethiol) is added to LPG which is an organo-sulphur compound.

Therefore, option B is correct.

Multiple choice chemistry rocks and minerals petroleum properties of alkanes petroleum and natural gas

What are the objectives of petroleum conservation research association:

  1. To create awareness among masses about the importance, benefits and methods of conserving petroleum products & clean environment by enhancing information and capacity building.

  2. To provide training and technical advisory services, designed to achieve economy & efficiency in use of petroleum products for cleaner environment.

  3. To function as a Think Tank to the Govt. of India for proposing policies and strategies on petroleum conservation and environment protection aimed at reducing excessive dependence on oil

  4. all of these.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Objectives of petroleum conservation research association:

1)To formulate strategies and promote measures for accelerating conservation of petroleum products leading to environment protection, energy security and sustainable development.

2)To create awareness among masses about the importance, benefits and methods of conserving petroleum products & clean environment by enhancing information and capacity building.

3)To promote research, development and deployment efforts aimed at petroleum conservation & environment protection, support & facilitate efforts for adoption and dissemination of fuel efficient technologies and substitution of petroleum products with alternate fuels and renewable.

4)To establish synergistic institutional linkages at the national & international levels in the areas of petroleum conservation & environment protection.

5)To provide training and technical advisory services, designed to achieve economy & efficiency in use of petroleum products for cleaner environment.

6)To function as a Think Tank to the Govt. of India for proposing policies and strategies on petroleum conservation and environment protection aimed at reducing excessive dependence on oil

Multiple choice chemistry rocks and minerals petroleum properties of alkanes petroleum and natural gas

Natural gas is composed primarily of:

  1. Methane

  2. n-butane

  3. n-octane

  4. a mixture of octanes
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Natural gas is composed mainly composed  of methane, but it also contains small amounts of ethane, propane, butane, and pentane. Methane, a combination of hydrogen and carbon, is formed when plants and animals (organic matter) are present  under the sedimentary layers of the earth.

Hence option A is correct.

Multiple choice chemistry fossil fuels petroleum properties of alkanes rocks and minerals

LPG used as domestic fuel is mixed with a strong smelling volatile liquid for __________.

  1. better combustion

  2. good smell/fragrance

  3. detection of gas leakage

  4. higher calorific value
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

If the gas leaks in air, it can be easily detected due to smell and preventive measures can be taken. Hence, LPG is mixed with a strong smelling volatile liquid.