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An element X forms an oxide XO which tur...

An element X forms an oxide XO which turns red litmus blue. Identify X.

A

A metal

B

A non-metal

C

A metalloid

D

A noble gas

Text Solution

Verified by Experts

The correct Answer is:
A
Metallic oxides turn red litmus blue, hence XO is a basic oxide made from metal X.
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MTG IIT JEE FOUNDATION-MATERIALS : METALS AND NON-METALS-EXERCISE MCQ.s (Level-1)
  1. Identify the most reactive metal.

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  2. Which metal does not react with water ?

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  3. An element X forms an oxide XO which turns red litmus blue. Identify X...

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  4. An alloy used in making bodies of aircraft is

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  5. The non-metal used in vulcanization of rubber is

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  6. Which of the following is a non-metal ?

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  7. A coil of copper wire can be made by pulling a larger piece of copper ...

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  8. The metals are eaten away when they are exposed to water, oxygen and o...

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  9. Metal which does not react even with steam is

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  10. When steam is passed through zinc then

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  11. The metal which is present in brass, bronze and German silver is

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  12. The metal that forms a self-protecting film of oxide to prevent corros...

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  13. Two metals are melted and mixed together. The resulting mass is cooled...

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  14. When a metal X is added to dilute HCl solution, there is no evolution ...

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  15. The correct order of increasing chemical reactivity is

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  16. Which of the following elements produces basic oxide on reacting with ...

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  17. Copper sulphate solution can be safely kept in a container made of

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  18. Which of the following metals occurs in free state in nature ?

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  19. Which is not a basic oxide ?

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  20. Mercury is used in thermometers because

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