Question

what are the uses of rocks and minerals class 7​

Answer 1

Uses of minerals

• They are used as fuels, for example – coal, petroleum and natural gas.
• They are used as fuels, for example – coal, petroleum and natural gas.They are used in industries for making medicines, fertlisers and many other items. Iron, bauxite, mica, gold, silver, etc. are examples of minerals.

Rocks are useful for various purposes:

• It helps in making roads.
• It helps in making roads.It is used in the construction of houses and buildings.
• It helps in making roads.It is used in the construction of houses and buildings.Small stones are used by children in different types of games.
• It helps in making roads.It is used in the construction of houses and buildings.Small stones are used by children in different types of games.They are used in fertilisers.

Answer 2

Answer:

Uses of rocks

Hard rocks are used for making roads, houses, factories, buildings etc.

Red sandstone and marble are used in making buildings.

Many rocks are used as gemstones.

Stones are used in many games such as; Seven stones (pitthoo), Hop – scotch (stapu) and Five stones (gitti)

Uses of minerals

They are used as fuels, for example – coal, petroleum and natural gas.

They are used in industries for making medicines, fertlisers and many other items. Iron, bauxite, mica, gold, silver, etc. are examples of minerals.

Explanation:

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