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The effective component of bleaching pow...

The effective component of bleaching powder is….of calcium

A

Chlorine

B

bromine

C

aluminium

D

calcium

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The correct Answer is:
A
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ERRORLESS -S AND P BLOCK ELEMENTS-Ordinary thinking (Halogen family)
  1. The correct order of acidic strength is

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  2. Amongst LiCl, RbCl, BeCl2 and MgCl2, the compounds whith the greatrest...

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  3. The effective component of bleaching powder is….of calcium

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  4. The correct order of ease of cleavage of ether linkage by hydrogen hal...

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  5. Cl2O is best prepared by passing dry

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  6. Which of the hydrogen halides forms salts like KHX2 (where X is a halo...

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  7. Which of the following is not a green house gas?

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  8. When Br2 is treated with aqueous solutions of NaF, NaCl and NaI separa...

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  9. The least active halogen with hydrogen is

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  10. When fluoride is heated with conc. H2 SO4 and MnO2 the gas evolved is

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  11. Of the following acids, the one that is strongest is

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  12. Fluorine is a better oxidising agent than Br2. It is due to

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  13. Which of the following sequence is correct with reference to the oxida...

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  14. The correct order of increasing hydration energy of the following conj...

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  15. Which one of the halogen acid is a liquid?

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  16. Which one of the following acids is the weakest?

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  17. Which of the following represent represent clear electropositive prope...

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  18. In dark, which of the following reacts with hydrogen

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  19. Bad conductor of electricity is

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  20. Chlorine cannot be used

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