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Among which is does not react with air?...

Among which is does not react with air?

A

`1`. Sodium

B

`2`. Potassium

C

`3`. Cesium

D

`1`. Gold

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VGS PUBLICATION-BRILLIANT-METALS AND NON-METALS-EXERCISE
  1. The essential non-metal for all living things is .

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  2. Which of the following is the best conductor of electricity ?

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  3. Among which is does not react with air?

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  4. The non-metal added in gun powder is .

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  5. Which metal is mainly used in preparation of machinery ?

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

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

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

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

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

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  11. Find the correct one.

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

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

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

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

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

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

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

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  19. generally do not react with water.

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  20. metal get green coating when exposed to air.

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