Chemistry · General Awareness

Carbon and Fossil Fuels

1,898 Questions

Review fundamental concepts regarding carbon compounds, coal distillation, and fossil fuel formation. This segment covers the chemical properties and industrial applications of natural gas and crude oil. Practicing these questions will strengthen your chemistry foundation for general science sections.

Coal distillationPetroleum formationProperties of crude oilNatural gas applications

Carbon and Fossil Fuels Questions

Multiple choice evs how to save fuel fuels fuel and effects of burning fuel study of combustion

Ideal fuel has a __________ calorific value.

  1. low

  2. high

  3. moderate

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

Ideal fuel has high calorific value. This ensures that more amount of heat energy is released from the combustion of unit mass of fuel. In other words, a fuel with high calorific value is better than a fuel having low calorific value.

Multiple choice evs how to save fuel fuels fuel and effects of burning fuel study of combustion

_____ is a better domestic fuel than wood.

  1. CNG

  2. LPG

  3. Petrol

  4. All of above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

LPG is a better domestic fuel than wood because of several reasons. Unlike wood, LPG burns without smoke. This makes the life of housewives more comfortable and they do not have to worry about blackening of pots and pans. Moreover, use of LPG as domestic fuel also rules out the chances of getting respiratory disorders which may happen when someone uses wood as kitchen fuel. Storage and transportation of LPG is easier compared to that of wood.

Multiple choice evs how to save fuel fuels fuel and effects of burning fuel study of combustion

Which of the following is a solid fuel?

  1. Kerosene

  2. LPG

  3. Charcoal

  4. Methane
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Solid fuel refers to various types of solid material that are used as fuel to produce energy and provide heating, usually released through combustion. Solid fuels include wood, charcoal, peat, coal, Hexamine fuel tablets, and pellets made from wood, corn, wheat, rye and other grains.

Multiple choice evs how to save fuel fuels fuel and effects of burning fuel study of combustion

Which of the following fuel is a mixture of butane and propane?

  1. LPG

  2. CNG

  3. Petroleum

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

Compressed natural gas (CNG) (methane stored at high pressure) can be used in place of gasoline (petrol), Diesel fuel and propane/LPG. CNG is made by compressing natural gas (which is mainly composed of methane), to less than 1 percent of the volume it occupies at standard atmospheric pressure. 

Multiple choice evs how to save fuel fuels fuel and effects of burning fuel study of combustion

Which of the following can be considered as an ideal fuel?

  1. Kerosene

  2. Petrol

  3. Biogas

  4. Wood
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Biogas can be considered as an ideal gas because it has an appropriate calorific value, easily processed from cow dung and other waste materials. It is environment friendly and burns smoothly without any residues. It contains negligible non-volatile materials.

Multiple choice evs how to save fuel fuels fuel and effects of burning fuel study of combustion

_______ is a fuel made by compressing natural gas.

  1. LPG

  2. CNG

  3. Both a and b

  4. None of above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Compressed natural gas (CNG) (methane stored at high pressure) can be used in place of gasoline (petrol), Diesel fuel and propane/LPG. CNG is made by compressing natural gas (which is mainly composed of methane, CH4), to less than 1 percent of the volume it occupies at standard atmospheric pressure. 

Multiple choice evs how to save fuel fuels fuel and effects of burning fuel study of combustion

Choose the correct statement from the following.
A good fuel is one which:

  1. is readily available

  2. produces a large amount of heat

  3. leaves behind many undesirable substances

  4. burns easily in air at a moderate rate
Reveal answer Fill a bubble to check yourself
A,B,D Correct answer
Explanation

A good fuel produces a huge amount of heat on burning, does not produce a lot of smoke, and is easily available.

Multiple choice evs how to save fuel fuels fuel and effects of burning fuel study of combustion

Greater the _____ value, better is the fuel.

  1. gold

  2. iodine

  3. calorific

  4. decane
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Calorific value means the energy contained in a fuel or food, determined by measuring the heat produced by complete combustion of specific quantity, expressed as $J/kg$. 

Greater the calorific value, better is the fuel.

Multiple choice physics sources of energy renewable and non-renewable resources renewable and non-renewable sources of energy production of electricity from solar energy biogas environmental use of microorganism microbes in waste treatment and biogas

Gobar gas is a:

  1. solid fuel

  2. liquid fuel

  3. primary fuel

  4. secondary fuel
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Biogas is a type of secondary energy because biomass (primary energy) is used to produce biogas by anaerobic digestion into more efficient and higher value fuel.Biogas is also called gobargas as made by waste remains of plants and animals.

Multiple choice evs mud and stones importance of soil in agriculture soil - formation, profile and properties soil as a natural resource

Which of the following is the important natural resources for plants and animals?

  1. Coal

  2. Petrol

  3. Diesel

  4. Soil
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Soil, as we know an important abiotic component of our environment. It provides nutrition and water to grow crops. They hold the roots of the trees and are extremely necessary for the proper growth of plants and trees. In the absence of proper nutrients in the soil, the plants and trees show nutritional deficiencies and retarded growth.

Apart from this, animals depend on plants for their survival and so they are dependant on soil for providing habitat and proper development of plants that they consume.
Coal, petroleum and natural gas are important fossil fuels that also from non-renewable resources that are used for various reasons like running automobiles, house gas cylinders etc.

They are remnants of dead plants and animals over a long period of time. So, they are not related to the growth of plants and animals.


Multiple choice adaptations - european woodland and african grassland adapting to a habit plant adaptations adaptations to different ecosystems biology

Oil, coal and natural gas supply approximately ___________ % of the energy used in the United States

  1. 10

  2. 25

  3. 40

  4. 90
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Fossil fuels (oil, coal, and natural gas) have historically provided the vast majority of the energy consumed in the United States, typically accounting for 80-90 percent of the total.