Free Online Mock Chemistry Multiple Choice Test on S Block Elements

Sub Category : S Block Elements

Test : 19

Time Left :

1)	Among the following statements, the incorrect one is (1) Calamine and siderite are carbonates (2) Argentite and cuprite are oxides (3) Zinc blende and iron pyrites are sulphides (4) Malachite and azurite are ores of copper
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2)	Which of the following processes is used in the extractive metallurgy of magnesium? (1) Fused salt electrolysis (2) Self reduction (3) Aqueous solution of electrolysis (4) Thermite reduction
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3)	Pb and Sn are extracted from their chief ore by (1) Carbon reduction and self reduction (2) Self reduction and carbon reduction (3) Electrolysis and self reduction (4) Self reduction and electrolysis
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4)	Which of the following ores contains both copper and iron? (1) Cuprite (2) Chalcopyrite (3) Malachite (4) Chalacocite
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5)	In metallurgical process the flux used for removing acidic impurities is (1) Silica (2) Sodium chloride (3) Lime stone (4) Sodium carbonate
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