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Why are coils of electric toasters and e...

Why are coils of electric toasters and electric irons made of an alloy rather than a pure metal?

A

Copper

B

Zinc

C

Sodium

D

Potassium

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VGS PUBLICATION-BRILLIANT-METALS AND NON-METALS-EXERCISE
  1. Which metal is mainly used in preparation of machinery ?

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  2. Which of these metals is main component in all the fuels ?

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  3. Why are coils of electric toasters and electric irons made of an alloy...

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  4. Assertion (A): Mercury is not a metal., Reason (R): Mercury does not s...

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  5. Veni : All metals are shines., Sana : All shines are metals.

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  6. Assertion (A): Bases are prepared with oxides of metals., Reason (R) :...

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  7. Find the correct one.

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  8. What will happen if you use wooden bell in your school ?

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  9. Predict a metal, which is a metal but does not have sonority.

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  10. How can you say plastic does not have property of malleability ?

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  11. There is substance ‘X’. After burning, it is.changed into powder. If w...

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  12. What happens if we add copper dust into Ferrous sulphate solution ?

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  13. Guess the reason why does Ferrous (Iron) does not displace Zinc from Z...

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  14. Which gas is liberated when, acids react with metals ? Give one exampl...

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  15. generally do not react with water.

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  16. metal get green coating when exposed to air.

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  17. Among which is does not react with air?

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  18. How do you prove that iron is more reactive than copper?

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  19. metal gets rust when exposed to air.

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  20. The gas which produces pop sound.

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