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Which of the following is used to produc...

Which of the following is used to produce smoke screens?

A

Calcium phosphide

B

Zinc sulphide

C

Sodium carbonate

D

Zinc phosphide

Text Solution

Verified by Experts

The correct Answer is:
A
Calcium phosphide is used to produced smoke screen.
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ERRORLESS-THE S-BLOCK ELEMENTS-NCERT BASED QUESTIONS (Alkaline Earth Metals)
  1. Which one of the following alkaline earth metal sulphates has its hydr...

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  2. Dtermine the images of the following figure about the given line : ...

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  3. Which of the following is used to produce smoke screens?

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  4. BaSO4 and carbon on heating reacts to produce

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  5. ZnO when heated with BaO at 1100^(@)C gives a compound. Identify the c...

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  6. The compounds of alkaline earth metals have the following magnetic nat...

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  7. The correct increasing order of solubility among the compounds follows...

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  8. When CO(2) is bubbled throgh a solution of barium peroxide in water

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  9. Metal carbonates decompose on heating to give metal oxide and carbon d...

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  10. Which of the carbonates given below is unstable in air and is kept in ...

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  11. Metals form basic hydroxides. Which of the following metal hydroxide i...

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  12. A substance which gives a brick red flame and breaks down on heating t...

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  13. Phosphine, acetylene and ammonia can be formed by treating water with

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  14. The decreasing order of basic character of K(2)O BaO , CaO and MgO is

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  15. The salt which responds to dilute and concentrated H(2)SO(4) is

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  16. The electrolysis of molten KCl. MgCl(2) . 6H(2)O gives

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  17. Out of the following metals which will give H(2) on reaction with NaOH...

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  18. Among the alkaline earth metals, the element forming predominantly cov...

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  19. Point out the incorrect statement regarding Be (Group IIA )

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  20. Be and Al exhibit diagonal relationship . Which of the following state...

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