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CHEMISTRY Questions And Answers.
| 1. | Which type of bonding is present in NH4Cl? |
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| A. | Ionic |
| B. | Colvalent |
| C. | Coordinate Colvalent |
| D. | None of these |
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| 2. | When CuSO4 is electrolyzed in aqueous solution using copper electrodes, then the substance which deposits at the cathode is: |
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| A. | Copper metal. |
| B. | Copper ions. |
| C. | Hydrogen. |
| D. | Oxygen. |
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| 3. | Aldehydes can be synthesized by the oxidation of |
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| A. | Primary alcohol |
| B. | Secondary Alchohal |
| C. | Organic acids. |
| D. | Inorganic acid. |
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| 4. | The products of the fermentation of a sugar are ethanol and |
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| A. | Water |
| B. | Oxygen |
| C. | Carban dioxide |
| D. | Sulfur dioxide |
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| 5. | __________ serve as carriers of heredity from one generation to the other. |
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| A. | Lipids |
| B. | Caseins |
| C. | Formaldehydes. |
| D. | Nucleoproteins. |
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