Advertisements
Advertisements
प्रश्न
Fill in the blank
Coal, petroleum, and natural gas are _________fuels.
Advertisements
उत्तर
Coal, petroleum, and natural gas are fossil fuels.
APPEARS IN
संबंधित प्रश्न
What is a source of energy? What are the two main categories of the sources of energy?
What is the difference between a renewable and a non-renewable source of energy? Explain with examples.
What is the composition of liquefied petroleum gas (LPG)?
State two important uses of natural gas
The main constituent of petroleum gas is:
(a) methane
(b) ethane
(c) butane
(d) propane
The product of petroleum used to drive heavy vehicles like trucks is:
(a) petrol
(b) kerosene
(c) diesel
(d) carbon oxide
Coal cannot be converted into one of the following forms of energy. This is:
(a) coal gas
(b) electricity
(c) oil
(d) charcoal
The pollution of air caused by burning petroleum fuels (like petrol and diesel) in vehicles can be controlled by fitting a device X in the exhaust system of vehicles.
Name the device
State whether the following statement is true or false:
Tidal energy is one of the forms in which solar energy manifests itself in oceans.
The constituent of biogas which makes it an excellent fuel is:
(a) butane
(b) methane
(c) propane
(d) ethane
Which of the following is ultimately not derived from the sun's energy (or solar energy)?
(a) wind energy
(b) nuclear energy
(c) biomass energy
(d) ocean thermal energy
The source of energy of the sun is:
(a) conversion of hydrogen gas into helium
(b) conversion of carbon fuel into carbon dioxide
(c) burning of hydrogen gas present in the sun
(d) disintegration of uranium into barium and krypton
You have three unlabelled test tubes containing ethanol, ethanoic acid and soap solution. Explain the method you would use to identify the compounds in different test tubes by chemical tests using litmus paper and sodium metal.
Why is the use of wood as a fuel not advisable although wood is a renewable source of energy?
State whether the following is True or False.
Coal and petroleum are renewable energy resources.
What are fossil fuels?
Describe the four major types of coal.
Who is the odd one out?
Why petrol is exhaustible natural resource, whereas sunlight is not? Explain.
