| 1 |
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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| 2 |
Metal oxides are |
- A. Amphoteric
- B. Basic
- C. Acidic
- D. Neutral
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| 3 |
Which one of the following non-metal is lustrous?<br> |
- A. Sulphur<br>
- B. Phosphorus <br>
- C. Iodine<br>
- D. Carbon<br>
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| 4 |
Metals lose their electrons easily because:<br> |
- A. They are electronegative<br>
- B. They have electron affinity<br>
- C. They are electropositive<br>
- D. Good conductors of heat<br>
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| 5 |
Pure alkali metals can be cut simply by knife but iron cannot because of alkali metals have:<br> |
- A. Strong metallic bonding.<br>
- B. Weak metallic bonding <br>
- C. Non- metallic bonding<br>
- D. Moderate metallic bonding<br>
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| 6 |
Which one is the following belongs no Noble Gases? |
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| 7 |
Which one of the following is brittle?<br> |
- A. Sodium<br>
- B. Aluminum <br>
- C. Selenium<br>
- D. Magnesium <br>
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| 8 |
Silver is a ____________ metal. |
- A. Pure
- B. Noble
- C. None
- D. All
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| 9 |
Sodium - potassium alloy is used in nuclear reactor as a:<br> |
- A. catalyst <br>
- B. coolant <br>
- C. reactant <br>
- D. absorber<br>
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| 10 |
Which one metal is least reactive? |
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