PG TRB Chemistry Study Materials Pdf Free Download
9. |
In fat, the functional group is |
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- A. Amide
- B. Aldehyde
- C. Ketone
- D. Ester
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10. |
Water is a good solvent of ionic salts because? |
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- A. It has no colour
- B. It has a high specific heat
- C. It has a high dipole moment
- D. It has a high boiling boiling point
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11. |
Sand is an oxide of |
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- A. Iron
- B. Magnesium
- C. Silicon
- D. Calcium
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12. |
Which is the gas emitted from the road vehicles causing pollution? |
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- A. Carbon monoxide
- B. Sulphur dioxide
- C. Ozone
- D. Nitrogen oxide
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