IIT JEE : Chemistry Of Heavier 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.Which of the following metals exhibits variable valency due to inert pair effect? |
Iron |
Lead |
Mercury |
Copper. |
2.Which of the following sulphides is black in colour ? |
MnS |
CdS |
CoS |
ZnS. |
3.The percentage of carbon in steel is in the range |
3 - 5% |
2 - 3% |
1 - 2% |
0.1 - 1.5%. |
4.Which of the following salts is heptahydrate? |
Green vitriol |
Mohrs salt |
Blue vitriol |
Ferric alum. |
5.During extraction of iron the flux used is |
Silica |
Calcium silicate |
Lime stone |
Coke. |
More Chemistry Of Heavier Metals QUESTIONS AND ANSWERS available in next pages
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