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Lithophone is a combination of ZnS and...

Lithophone is a combination of `ZnS` and

A

`PbSO_(4)`

B

`CaSO_(4)`

C

`SrSO_(4)`

D

`BaSO_(4)`

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The correct Answer is:
D
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ALLEN-S-BLOCK ELEMENTS -EXERCISE
  1. Which of the following does not illustrate the anomalous properties of...

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  2. Of the following the commonly used as a laboratory desiccator is

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  3. Lithophone is a combination of ZnS and

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  4. Which of following equality with NaCI

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  5. The thermal stability of alkaline earth metal carbonates MgCO(3),CaCO(...

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  6. At anode in the electrolysis of fused NaCI:

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  7. One mole of magnesium nitride on reaction with an excess of water give...

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  8. Which alkali metal on flame test given red violet colour

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  9. In presence of iron, alkali metal react with liquid ammonia and form

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  10. The ionic conductance of following cation in a given concentration are...

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  11. Photoelectric effect is the maximum in

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  12. Which of the following carbides on treatment with water give methane ...

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  13. When a standard solution of NaOH is left in air for a few hours:

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  14. The ionic mobility of alkali metal ions in aqueous solution is maximum...

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  15. Which is used in purification of air in the space craft.

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  16. Which of the following alkaline earth metal sulphate is least soluble ...

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  17. In aqueous solution, the largest ion is :

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  18. The correct order of ionic character of oxides of alkali earth metal:-

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  19. Potassium super-oxide (KO(2)) is used in space capsuled, submarines, a...

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  20. Compounds of alkaline earth metals are generally less soluble in water...

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