Question 1 :
Name the petroleum product used as fuel for stoves, lamps and jet crafts.
Question 3 :
What are the advantages of using CNG and LPG as fuels?
Question 4 :
State True or False. Coal tar is a black, thick liquid with an unpleasant smell.
Question 5 :
Coal is formed from dead vegetation. What is this process called?
Question 8 :
State True or False .The black thick liquid with pleasant smell is known as coal tar.
Question 9 :
Various materials which are obtained from nature are called natural resources. Which of the following is not a natural resource?
Question 10 :
State True or False. It is difficult to transport natural gas through pipes.
Question 11 :
State True or False.The slow process of conversion of dead vegetation into coal is called carbonisation .
Question 12 :
State True or False.Under high temperature and pressure, dead plants get slowly converted to coal.
Question 13 :
Coal is processed in industries to get some useful products. Which of the following is not obtained from coal?
Question 14 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d061f59b460d7261f2dd.png ' />
From the above image,match the items given in Column I with the items of Column II.
Question 15 :
State True or False. CNG is less polluting fuel than petrol and diesel.
Question 16 :
State True or False. Forests and coal are exhaustible natural resources.
Question 17 :
State True or False. Decantation is a method to separate a mixture of petroleum and water.
Question 19 :
State True or False .The process of separating the various constituents of petroleum is known as refining.
Question 20 :
Name the petroleum product used as fuel for stoves, lamps and jet crafts.
Question 22 :
State True or False. Coal and petroleum are formed from the dead remains of organisms and are known as fossil fuels.
Question 25 :
State True or False. Petroleum, coal and natural gas are fossil fuels.
Question 26 :
State True or False. The disadvantage of natural gas is that it can not be used directly for burning in homes.
Question 27 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d061f59b460d7261f2dd.png ' />
From the above image,match the items given in Column I with the items of Column II.
Question 28 :
State True or False. Natural gas is stored under high pressure as compressed natural gas.
Question 29 :
State True or False. Petroleum, coal and natural gas are fossil fuels.