case /data -based (4 Marks)

Questions

Question 14 Marks

The picture shows how petroleum and natural gas are extracted through oil wells

$7.$ Which of the following statements are supported by the picture$?$
Circle ‘Yes’ or ‘No’ for the correct response.

Is this statement supported by the picture?	Yes or No
Petroleum is insoluble in water.	Yes/No
Natural gas is denser than petroleum.	Yes/No
Petroleum and natural gas deposits are found under rock layers.	Yes/No

$8.$ Which of these conditions is required for the formation of natural gas$?$
$A.$ Low pressure
$B.$ Presence of air
$C.$ High temperature
$D.$ Presence of water
$9.$ Which of these petroleum products is used for heavy motor vehicles$?$
$A. LPG$
$B.$ Diesel
$C.$ Petrol
$D.$ Kerosene
$10.$ What is the advantage of using $CNG$ instead of petrol in light motor vehicles$?$
$A.$ It can be stored easily
$B.$ It can be extracted easily
$C.$ It causes less air pollution
$D.$ It releases more energy on combustion

Answer

$7.$ Yes
No
Yes
$8. C.$ High temperature
$9. B.$ Diesel
$10. C.$ It causes less air pollution.

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Question 24 Marks

The table shows two groups of natural resources.

$3.$ Which of these statements is true about coal?
Circle ‘Yes’ or ‘No’ for the correct response.

Is this true about coal?	Yes or No
Dirt makes up a large part of coal.	Yes/No
Coal is produced from plant fossils.	Yes/No
Formation of coal requires heat and pressure.	Yes/No

$4.$ Where is a coal reserve most likely to be found$?$
$A.$ Inside volcanoes
$B.$ Beneath glaciers
$C.$ On ocean loors
$D.$ Under land surfaces
$5.$ Which gas is mainlyemitted during the combustion of coal$?$
$6.$ Coke is a product obtained by the processing of coal.
Which of these is a by-product of making coke$?$
$A.$ Coal tar
$B.$ Bitumen
$C.$ Coal gas
$D.$ Kerosene

Answer

$3.$ No
Yes
Yes
$4. D.$ Under land surfaces
$5.$ Mentions carbon dioxide as the response.
$6. C.$ Coal gas

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Question 34 Marks

The table shows two groups of natural resources.

Group $1$	Group $2$
Air, Sunlight, Water	Coal, Petroleum, Natural gas

$1.$ How is group $1$ different from group $2?$

	Group $1$	Group $2$
$A.$	Cannot be used as energy sources	Can be used as energy sources
$B.$	Will not exhaust even if used continuously	Will exhaust if used continuously
$C.$	Take thousands of years to form	Take millions of years to form
$D.$	Contain high percentages of carbon	Contain low percentages of carbon

$2.$ Which resource in group $2$ will cause the least amount of air pollution on burning$?$

Answer

$1.$ B. Will not exhaust even if used continuously/will exhaust if used continuously
$2.$ Mentions natural gas as the response

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Science case /data -based (4 Marks)

case /data -based (4 Marks)

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