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- 1. Multiple Choice
Give an example of a metal which can be easily cut with knife.
Mercury
Sodium
Copper
Iron
- 2. Multiple Choice
Which gas is produced when dilute hydrochloric acid is added to a reactive metal?
Nitrogen
Oxygen
Hydrogen
None of the above
- 3. Multiple Choice
Which of the following two metals are found in free state in nature?
Gold, Silver
Sodium, Platinum
Calcium, Silver
Gold, Aluminium
- 4. Fill in the Blank
_____________ is an alloy of mercury.
- 5. Open Ended
Write the electron dot structure of Sodium and Oxygen.
- 6. Open Ended
What are amphoteric oxides? Give two examples.
- 7. Open Ended
Give reason why aluminium is used to make utensils for cooking although it is a highly reactive metal.
- 8. Open Ended
In the electrolyting refining of metal M, what would you take as an anode, cathode and electrolyte?
- 9. Open Ended
Write three differences between metals and non-metals on the basis of their chemical properties.
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