
IIT JEE : Chemistry Of Lighter Metals QUESTIONS AND ANSWERS :: part2 : 1 to 5
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
1.Alkali metals do not exist in free state in mature because these are |
very reactive |
very volatile |
metallic in nature |
highly electronegative elements. |
2.The substance which is added to ore in order to remove impurities during smelting is called |
slag |
gangue |
flux |
matrix. |
3.Smelting is generally carried out in |
Reverberatory furnace |
Muffle furnace |
Bessemer converter |
Blast furnace. |
4.Alkali metals can be extracted from their salts by |
reduction with carbon |
electrolysis of aqueous solution of their halides |
electrolysis of fused halides |
reduction with aluminium. |
5.Heating pyrites in air to remove sulphur is known as |
Calcination |
Roasting |
Smelting |
Bessemerisation. |
More Chemistry Of Lighter Metals QUESTIONS AND ANSWERS available in next pages
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