Environmental Chemistry-1 The Atmosphere – Online MCQs – Chemistry 10th

Online MCQs Test | Chapter 5 : Environmental Chemistry-1 The Atmosphere | Chemistry Class 10th | Sindh Board Science Group

Below Here to find Online MCQs Test of Chapter 5 (Environmental Chemistry-1 The Atmosphere) Chemistry Class 10th Science Group – Sindh Board. According to New Examination Pattern / Syllabus 2023-24 of Sindh Board Karachi Hyderabad Larkana Sukkur and Mirpurkhas.

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Chap 5 - Environmental Chemistry-1 (The Atmosphere)- Chemistry 10th

Science Group - Sindh Board

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1. Second highest layer of Earth’s atmosphere is:

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2. Weather in this layer affects our daily life.

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3. The altitude on stratosphere is:

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4. Troposphere altitudes varies from about:

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5. Which one of the following is a primary pollutant?

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6. It is the second-lowest layer of Earth’s atmosphere.

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7. Above the earth’s surface, ozone layer is found roughly:

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8. With respect to earth surface, the earth’s atmospheric layers are classified on the bases of:

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9. The higher the altitude the is the atmosphere.

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10. The percentage of nitrogen is found in the atmosphere:

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11. Ozone is a gas found in the layer:

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12. Atmospheric pressure decreases with the

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13. The percentage of nitrogen is found in the atmosphere:

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14. The most abundant element in the atmosphere is:

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15. It is a major contributor to ozone depletion.

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16. Aeroplanes fly in:

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17. Around 80% of the mass of the atmosphere is in the:

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18. Second most abundant constituent of dry air in terms of volume after nitrogen is:

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19. Which of the following is the reason of global warming?

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20. The earth is surrounded by a layer of gases called the:

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