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Why lime stone is added in the extractio...

Why lime stone is added in the extraction of lead from galena ?

A

It prevents the formation of `PbSO_4`

B

It remove the impurity of silica as fusible slag

C

It converts lead silicate to lead oxide

D

All of the above

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The correct Answer is:
D
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NTA MOCK TESTS-NTA NEET SET 72-CHEMISTRY
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  2. Equal volumes of three acid solutions of pH 3, 4 and 5 are mixed in a ...

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  3. Why lime stone is added in the extraction of lead from galena ?

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  4. Mixture containing aqueous Li^+,Na^+ , K^+ ions are electrolysed . Cat...

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  5. Explain why an organic liquid vaporises at a temperature below its boi...

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  7. The function of "Sodium pump" is a biological process operating in eac...

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  8. The main product of the following reaction is C6H5CH2CH(OH)CH(CH3)2 ov...

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  9. Which of the following statements is incorrect for a homologous series...

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  10. The amount of silver deposited by passing 241. 25 C of current through...

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  11. Reaction 2Br((aq.))^(-)+Cl(2(aq.))rarr2Cl((aq.))^(-)+Br(2(aq.)), is u...

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  12. The enthalpies of the elements in their standard states are arbitraril...

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  13. The percentage of lanthanides and iron, respectively , in which metal ...

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  14. Which of the following is not an explosive?

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  17. Lassaigne's test is used in the qualitative analysis to detect

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