ENTRANCE TEST – 2011 Multiple Questions and Answers.
Exercise Questions ::
CHEMISTRY
1. | In mass spectrometer, detector or collector measures the: |
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| A. | Masses of isotopes |
| B. | Percentages of isotopes |
| C. | Relative abundances of isotopes |
| D. | Mass numbers of isotopes |
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2. | Melting point of water is higher than petrol, because intermolecular forces in water are: |
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| A. | Weaker than petrol |
| B. | Stronger than petrol |
| C. | Same as in petrol |
| D. | Negligible |
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3. | DNA molecule is double stranded, in which two chains of DNA are twisted around each other by: |
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| A. | Hydrogen bonds |
| B. | Vander Waal's force |
| C. | Covalent bonds |
| D. | Dative bonds |
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4. | The elements for which the value of ionization energy is low, can: |
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| A. | Gain electrons readily |
| B. | Gains electron with difficulty |
| C. | Loss electrons less readily |
| D. | Lose electrons readily |
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5. | The nature of cathode rays in discharge tube: |
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| A. | Depends on the nature of gas taken in the discharge tube |
| B. | Depends upon the nature of cathode in discharge tube |
| C. | Is independent of the nature pf the gas in discharge tube |
| D. | Depends upon the nature of anode in the discharge tube |
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