Fuels and fossil fuels - class-VIII
Description: fuels and fossil fuels | |
Number of Questions: 45 | |
Created by: Gauri Chanda | |
Tags: biology work and energy solar energy world energy needs physics energy : forms and sources energy management evs towards green energy environmental management sources of energy |
Which of the following is an example of fossil fuel?
The vast amount of seaweeds present in ocean may provide an endless source of:
All of the following are the examples of fossil fuels except:
Which is the main constituent of petroleum gas?
Coke is more valuable when used:
In chulhas, gaps are left between the logs are there to :
Fire is a form of combustion
_________ is formed by the transformation of trees buried inside the earth millions of years ago.
The fuel formed by the marine animal and plant remnants is :
A chemical, when burned, produces energy if :
The energy possessed by coal, petroleum and natural gas is called
How fossil fuels are formed:
Example for fossil fuel is .............
Which of the following is a non-renewable source of energy?
Of the following, the fuel having different from others is
Of the following, the fuel different from others is
When compared to other kinds of energy providing fuels like petrol and wood, electricity is better because it :
Coke is obtained from
The fuel formed by the remnants of marine life is :
Example of fossil energy is :
Which of the following is formed under the earth by the decomposition of plant matter by anaerobic bacteria lying under water?
The source of energy which is different from others is
The amount of energy released in burning $1\ kg$ of coal is
Fuel formed under the earths surface by the decomposition of organic matter is:
Which of the following is not a solid fuel?
What substance is obtained as a residue when wood is burned in a limited supply of air?
The efficiency of traditional chulhas is:
Select the odd one out (kerosene, petrol, diesel, water)
Firewood is a conventional source of energy. This statement is:
Conventional resources are:
The term Black gold is used for:
Heating value of coal is approximately -
Which of the following is NOT a fossil fuel?
From below conventional sources of energy which is NOT a non renewable source of energy?
Conventional sources of energy are also known as :
Which of the following energy source is most costly?
Of the following, the fuel different from others is
Kerosene burns more rapidly than coke because
Destructive distillation of coal leads to the formation of
Which of the following is not an example of spontaneous combustion?
Which of the following are formed under the earth by the decomposition of plant matter by anaerobic bacteria lying under water?
Coal is formed from the remains of :
Of the following, flames produced by a candle is