Subject :NSO Class : Class 4
Subject :NSO Class : Class 4
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 5
Identify X and Y from the given statements
and select the correct option.
X : A metallic mineral used in making
coins, wires and utensils. It is
extracted from chalcopyrite.
Y : A non-metallic mineral commonly
found in sedimentary rocks and
used in making glass and ceramics.
| X | Y | |
|---|---|---|
| A | Aluminium | Quartz |
| B | Copper | Silica sand |
| C | Iron | Talc |
| D | Zinc | Mica |
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 9
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Subject :NSO Class : Class 6
Aditi prepared a table of differences between the renewable and nonrenewable resources. However, she was confused regarding some characteristics and made few errors while tabulating the characteristics in the table. Refer to the given table and select the option which identifies the incorrect differences.
| Renewable Resources | Non-renewable Resources | |
|---|---|---|
| (i) | These are present in unlimited amount in nature. | These are present in limited amount in nature. |
| (ii) | These resources cannot be replenished. | These resources can be replenished. |
| (iii) | Examples include air, sun and coal. | Examples include air, petrol and natural gas. |
A (i) only
B (ii) and (iii) only
C (ii) only
D (i) and (iii) only