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Which of the following statements is not...

Which of the following statements is not true about potash alum ?

A

Its empirical formula is KAl`(S0_4)_2. 12H_2O`

B

Its aqueous solution is basic in nature

C

On heating it melts on its water of crystallization

D

It is used in dyeing industries

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The correct Answer is:
B
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KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 02-CHEMISTRY
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  2. In the metallurgy of iron , when lime stone is added to the blast furn...

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  3. Which of the following statements is not true about potash alum ?

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  4. Heterolysis of a carbon-chloride bond produces

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  5. PCl(3) on reacting with HCOOH gives

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  6. In the hydrolytic equilibrium , A^(-) + H(2) O hArr HA + OH^(-) Ka =...

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  7. In the reaction , AlCl(3) + Cl^(-) = AlCl(4)^(-) , AlCl(3) can be clas...

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  8. In the reaction 2 S(2) O(3)^(2-) + I(2) to S(4) O(6)^(2-) + 2I^(-) . ...

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  9. Four colourless salt solutions are placed in separate test-tubes and a...

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  10. Which reaction indicates the oxidising behaviour of H(2) SO(4)

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  11. 10 g of hydrochloric acid gas occupies 5.6 litre of volume at STP . Th...

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  12. In which of the following process energy is liberated ?

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  13. Number of electrons in the nucleus of an element of atomic number 14 i...

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  14. If the concentration of water vapour in the air is 1% and the total at...

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  15. The solubility product of HgCl(2) at room temperature is 4.0 xx 10^(-5...

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  16. Bond energy of a molecule

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  17. If the pH of a solution is 2 , its normality will be

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  18. For the reaction 2 HI hArr H(2) + I(2) the equilibrium constant K at ...

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  19. For which system at equilibrium , at constant temperature , will the d...

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  20. In extracting out the given solute by a given volume of an extracting ...

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