Question Text
Question 5 :
<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 6 :
Name the petroleum product used as fuel for stoves, lamps and jet crafts.
Question 8 :
Coal is formed from dead vegetation. What is this process called?
Question 9 :
State True or False. Forests and coal are exhaustible natural resources.
Question 11 :
State True or False. Petroleum, coal and natural gas are fossil fuels.
Question 12 :
State True or False. The disadvantage of natural gas is that it can not be used directly for burning in homes.
Question 16 :
When heated in air, coal burns and produces mainly ________ gas.
Question 18 :
State true or false. LPGs and CNGs are clean fuels and do not give smoke when burnt.
Question 20 :
State True or False. Oxygen in air is an exhaustible natural resource.
Question 21 :
State True or False. Natural gas is stored under high pressure as compressed natural gas.
Question 22 :
State True or False. Oxygen in air is an exhaustible natural resource.
Question 24 :
Air is a natural resource and cannot be exhausted by human activities. It is known as inexhaustible natural resource. Which of the following is another inexhaustible natural resource?
Question 25 :
Which of the following is a pair of exhaustible natural resources?