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प्रश्न
Mention two uses of the following metals and non-metals
Aluminium
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उत्तर
It is used to make electric wires.
It is used to make utensils, cans, window fram’es, etc.
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संबंधित प्रश्न
State five uses of metals
State one use of Gold.
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Mention two uses of the following metals and non-metals
Gold
Mention two uses of the following metals and non-metals
Oxygen
Fill in the blank
_______ is a soft metal.
Statements given below are incorrect. Write the correct statements :
Bronze is a mixture of 10% copper, 80% zinc and 10% tin.
Statements given below are incorrect. Write the correct statements :
Aluminium is best conductor of electricity.
Write ‘True’ or ‘False’ in front of following statement.
Brass is an alloy of copper and zinc and has lustrous yellow colour.
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(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
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Hydrochloric acid,
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Most metals conduct electricity well.
What is it made from? Why?
Electric cables
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Zinc
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Match the columns.
| Group A | Group B |
| 1) Copper and Zinc | a) Brass |
| 2) Copper and Tin | b) Bronze |
| c) Stainless steel |
Complete the following flow chart.
Compare the conductivity of metals and non–metals.
