The mineral carnallite contains (i)_and (ii)metals. (iii) is purified by cupellation and (iv)___is purified by distillation.

(i) -calcium , (ii)- zinc, (iii)- mercury, (iv)- tin

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(i)- calcium, (ii)- magnesium, (iii)- zinc, (iv)- lead

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(i)- potassium, (ii)- calcium, (iii)- copper, (iv)- mercury

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(i)- magnesium, (ii)-potassium, (iii)- silver, (iv)- mercury

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Solution

The correct option is C (i)- magnesium, (ii)-potassium, (iii)- silver, (iv)- mercury
Carnallite $\to K C l . M g {C l}_{2} .6 H_{2} O$ . It contains $M g$ and $K$ . Silver is purified by cupellation. Because of its low boiling point, mercury is purified with distillation.

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Similar questions

Q. Which of the following is a mineral required by our body?

Calcium, Phosphorus, Iodine, Potassium, Magnesium, Zinc, Iron

Q. Give equations for the following conversions:
(i) Sodium to sodium hydroxide using water.
(ii) Steam to hydrogen using burning magnesium.
(iii) Dilute sulphuric acid to hydrogen using zinc.
(iv) Mercuric oxide to mercury.
(v) Silver oxide to silver.
(vi) Copper hydroxide to copper oxide.
(vii) Calcium hydroxide to calcium oxide.
(viii) Lead carbonate to lead.
(ix) Potassium nitrate to oxygen.
(x) Copper nitrate to nitrogen dioxide.
(xi) Mercuric nitrate to mercury.
(xii) Silver nitrate to silver.

(a) Name the gas evolved when dilute hydrochloric acid is added to:
(i) Zinc metal
(ii) Calcium carbonate
(iii) Sodium sulphite
(iv) Lead (II) sulphide
(v) Magnesium bicarbonate
(vi) Potassium bisulphite
(b) Give a balanced equation for each of the above reaction.

Q. Identify the rate of reaction of given compounds in

E_{2}

reactions

Q. Make the correct match
A

V
I

V
V

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The mineral carnallite contains __(i)___and __(ii)____metals. ____(iii)____ is purified by cupellation and ____(iv)_____is purified by distillation.

The correct option is C (i)- magnesium, (ii)-potassium, (iii)- silver, (iv)- mercuryCarnallite →KCl.MgCl2.6H2O. It contains Mg and K. Silver is purified by cupellation. Because of its low boiling point, mercury is purified with distillation.

The mineral carnallite contains (i)_and (ii)metals. (iii) is purified by cupellation and (iv)___is purified by distillation.

The correct option is C (i)- magnesium, (ii)-potassium, (iii)- silver, (iv)- mercury
Carnallite $\to K C l . M g {C l}_{2} .6 H_{2} O$ . It contains $M g$ and $K$ . Silver is purified by cupellation. Because of its low boiling point, mercury is purified with distillation.