1. What is formed when Magnesium is burnt?
2. Match List-I with List-II and select the correct answer:
List-I
List-II
a. Best conductors of heat and electricity
1. Gold
b. The highest amount of metal is found
2. Lead
c. Most flexible and able to increase by bang metal
3. Aluminium
d. Minimum heat conducting
4. Silver
| List-I | List-II |
| a. Best conductors of heat and electricity | 1. Gold |
| b. The highest amount of metal is found | 2. Lead |
| c. Most flexible and able to increase by bang metal | 3. Aluminium |
| d. Minimum heat conducting | 4. Silver |
3. Gold is mixed with copper.
4. Plaster of Paris' is made up of
5. Constantan, Metals are made by mixing . . . . . . . .
6. Which of the following gases is released when sodium hydrogen carbonate is heated?
7. . . . . . . . . is also called Quick Lime?
8. On adding zinc to copper sulphate solution:
9. Which of the following is an ore of thorium?
10. Corundum and Cryolite are important ores of which of the following metals?
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