| 1 |
The core of the earth is ____________ than crust. |
- A. LIghter
- B. Heavier
- C. Both
- D. Nil
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| 2 |
All are noble metals except: |
- A. Silver
- B. Gold
- C. Hydrogen
- D. Platinum
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| 3 |
Which one is moderate reactive metal? |
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| 4 |
All metals are solid except |
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| 5 |
Metals from a ____________ part of earth on which we live. |
- A. Smaller
- B. Larger
- C. Medium
- D. Nil
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| 6 |
All non-metals are non-conductor of heat and electricity except it |
- A. Phosphorous
- B. Sulphur
- C. Graphite
- D. Iodine
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| 7 |
Silver is a ____________ metal. |
- A. Pure
- B. Noble
- C. None
- D. All
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| 8 |
The earth is made up of ___________ % of iron. |
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| 9 |
The core of the earth is mostly made from ____________ |
- A. Nickel
- B. Iron
- C. A % B
- D. Copper
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| 10 |
Non-metals are generally soft, but which one of the following is extremely hard?<br> |
- A. Graphite <br>
- B. Phosphorus <br>
- C. Iodine<br>
- D. Diamond<br>
|