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Science Practice Quiz 240
10 questions · 12 minutes
12:00
Q1.What is an example of an inexhaustible natural resource?
Explanation: Inexhaustible Natural Resources are present in unlimited quantity in nature and are not likely to be exhausted by human activities, examples include sunlight and air.
Q2.What is an example of an exhaustible natural resource?
Explanation: Exhaustible Natural Resources are limited in quantity and can be exhausted by human activities, examples include forests, wildlife, minerals, coal, petroleum, and natural gas.
Q3.Why are air, water, and soil considered natural resources?
Explanation: Air, water, and soil are considered natural resources because they are obtained from nature.
Q4.What is the purpose of Activity 3.1?
Explanation: Activity 3.1 involves making a list of various materials used in daily life and classifying them as natural and man-made.
Q5.What is coal gas used for these days?
Explanation: Coal gas is used as a source of heat rather than light, as mentioned in the source text.
Q6.What is coke used in the manufacture of?
Explanation: Coke is used in the manufacture of steel, as mentioned in the source text.
Q7.What is coal tar a mixture of?
Explanation: Coal tar is a mixture of about 200 substances, as stated in the source text.
Q8.What is used in place of coal-tar for metalling the roads these days?
Explanation: Bitumen, a petroleum product, is used in place of coal-tar for metalling the roads these days, as stated in the source text.
Q9.What is obtained from coal tar and used to repel moths and other insects?
Explanation: Naphthalene balls used to repel moths and other insects are obtained from coal tar, as mentioned in the source text.
Q10.What are the substances obtained from petroleum and natural gas used in the manufacture of detergents, fibers, and plastics called?
Explanation: The substances obtained from petroleum and natural gas used in the manufacture of detergents, fibers, and plastics are termed as 'Petrochemicals'.
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