Tag: fossil fuels

Quizzes (8) Questions (84)

Questions Related to fossil fuels

Multiple choice chemistry energy rocks and minerals petroleum and natural gas fossil fuels

Quality of a diesel is measured in terms of its?

  1. Cetane number

  2. Octane number

  3. Gold number

  4. Avogadro number
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A cetane number is the measure of the quality of the diesel . Higher cetane number indicates that the fuel ignites more readily when sprayed over hot compressed air.

Multiple choice chemistry energy rocks and minerals petroleum and natural gas fossil fuels

Which of the following is present in the heavy oil obtained during petroleum distillation ?

  1. Gas oil

  2. Fuel oil

  3. Diesel oil

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

The following fuels are present in the heavy oil obtained during petroleum distillation 1. Gas oil  2.Fuel oil and Diesel oil.

So all the given options are correct.

Hence option D is correct.

Multiple choice chemistry energy rocks and minerals petroleum and natural gas fossil fuels

Complete removal of ______ from gasoline is done by Unisol process using caustic soda and methyl alcohol. 

  1. asphalt

  2. mercaptans

  3. diolefins

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

Unisol process is a regenerative method for not only extracting or removing mercaptans but also some of the nitrogen compounds. In this process first gasoline is washed counter-currently with aqueous caustic methanol solution. The spent caustic is regenerated in a stripping tower where the methanol, water and mercaptans are extracted.

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.