| 1 |
The core of the earth is mostly made from ____________ |
- A. Nickel
- B. Iron
- C. A % B
- D. Copper
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| 2 |
The earth is made up of ___________ % of iron. |
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| 3 |
All are noble metals except: |
- A. Silver
- B. Gold
- C. Hydrogen
- D. Platinum
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| 4 |
Which one is least reactive non-metal? |
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| 5 |
Electropositive character depends upon: |
- A. Atomic size
- B. Nuclear charge
- C. Ionization energy
- D. Electron affinity
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| 6 |
Which one metal is least reactive? |
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| 7 |
Which one of the following is the lightest metal?<br> |
- A. Calcium<br>
- B. Magnesium<br>
- C. Lithium <br>
- D. Sodium<br>
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| 8 |
Which one is least oxidizing agent? |
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| 9 |
Which one metal can be cut with a knife? |
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| 10 |
Which one of the following will not react with dilute HCI?<br> |
- A. Sodium<br>
- B. Potassium<br>
- C. Calcium<br>
- D. Carbon<br>
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