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What will you observe when calcium is tr...

What will you observe when calcium is treated with water?

A

It reacts violently with water.

B

It reacts slowly to form calcium oxide.

C

Bubbles of hydrogen gas are formed which stick to the surface of calcium

D

It does not react with water.

Text Solution

Verified by Experts

The correct Answer is:
C
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What happens when calcium is treated with water? (i) It does not react with water. (ii) It reacts violently with water. (iii) It reacts less violently with water. (iv) Bubbles of hydrogen gas formed stick to the surface of calcium.

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TARGET PUBLICATION-METALLURGY-CHAPTER ASSESSMENT
  1. What will you observe when calcium is treated with water?

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  3. A student added zinc strip to a solution of CuSO4. After several minut...

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  4. Aqueous solution of which of the following does NOT conduct electricit...

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  5. Which of the following metals does not react with cold or hot water bu...

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  6. Identify the odd one out and justify . Platinum , gold , silver , al...

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  7. Complete the anology and explain Gallium : : : Iodine : Solid

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  8. True or False . If false, write the correct sentence . Potassium rea...

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  9. Match the following reactions given in Group 'A' with the observations...

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  10. Given scientific reasons Pine oil is used in froth floatation

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  11. Given scientific reasons Anodes need to be replaced from time to tim...

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  12. Write chemical equations for the reactions of copper with dilute and c...

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  13. What are the constituents of stainless stell alloy ? Which property of...

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  14. Identify acidic and basic oxides from the following : Na2O, SO2 , MgO ...

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  15. Complete the following reactions : Cl(2(g)) + H2O((l)) to square + s...

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  16. The adjacent figure represents electrolytic reduction of alumina. ...

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  18. The adjacent figure represents electrolytic reduction of alumina. ...

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  19. What are alloys ? Explain with suitable examples properties of alloys ...

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  20. Explain froth floatation process with labelled diagram

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