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Assertion (A): Bases are prepared with o...

Assertion (A): Bases are prepared with oxides of metals., Reason (R) : Bases changes red litmus paper into blue.

A

A and R are true R does not support A

B

A and R are true R supports A

C

‘A’ is true but “R’ is false

D

A is false but ‘R’ is true

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VGS PUBLICATION-BRILLIANT-METALS AND NON-METALS-EXERCISE
  1. Assertion (A): Mercury is not a metal., Reason (R): Mercury does not s...

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

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

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  4. Find the correct one.

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

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

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

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

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

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

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

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  12. generally do not react with water.

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  13. metal get green coating when exposed to air.

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  14. Among which is does not react with air?

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

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  16. metal gets rust when exposed to air.

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  17. The gas which produces pop sound.

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  18. When zinc granules are added to copper sulphate is deposited at the b...

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  19. Why do silver objects and jewellery become black after some time ?

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  20. The given apparatus is required to test for sonority.

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