| Question (1): |
Of these, the most ductile metal is ___________.
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| Ans: 2 |
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| Question (2): |
Of these, the least dense metal is ___________.
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| Ans: 4 |
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| Question (3): |
Of these, the most reactive metal is ___________.
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| Ans: 4 |
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| Question (4): |
Which of the following is displaced by 'Cu'?
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| 1. |
Fe2+
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| 2. |
Ag+
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| 3. |
Zn2+
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| 4. |
Al3+
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| Ans: 2 |
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| Question (5): |
Which of the following metals does not displace H2 gas from dilute HCl or dilute H2SO4?
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| Ans: 2 |
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| Question (6): |
The metal reacting readily with cold water is ___________.
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| Ans: 3 |
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| Question (7): |
Of these, which metal will lose electrons most readily and form cations?
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| Ans: 1 |
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| Question (8): |
Of these, which ion will get reduced most readily?
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| 1. |
K+
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| 2. |
Zn2+
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| 3. |
Cu2+
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| 4. |
Ag+
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| Ans: 4 |
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| Question (9): |
Of these, the metal which occurs in a free state is ___________.
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| Ans: 4 |
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| Question (10): |
Which of the following metals is extracted only by electrolysis?
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| Ans: 2 |
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| Question (11): |
Which oxide of a metal gets reduced only by coke and not by H2 gas or CO gas?
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| 1. |
Fe2O3
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| 2. |
PbO
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| 3. |
ZnO
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| 4. |
CuO
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| Ans: 3 |
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