Chemistry 10th Class English Medium Online Test With Answers

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Chemistry 10th Class English Medium Online Test

Sr. # Questions Answers Choice
1 The gas use by plants to perform photosynthesis. O<sub>2</sub> CO<sub>2</sub> N<sub>2</sub> CO
2 Which is not an air pollutant? CO<sub>2</sub> CO SO<sub>2</sub> NH<sub>3</sub>
3 Ozone depletion was first noticed is. 1970's 1980's 1990's 1960's
4 The region in which ozone layere depletes is called. Ozone hole Black hole Both of them None of them
5 Which gas is in involved in ozone depletion? Nitrogen CFC's Chlorine All of them
6 Ultraviolet radiations can causes. Hepatitis Asthma Skin cancer Night blindness
7 Ozone is an allotropic form of Carbon Oxygen Sulphur Phosphorous
8 High concentration of which metal clogs the fish gills. Zinc Aluminium Sodium Copper
9 The pH of acid rain. 2 3 4 5
10 The pH of water containing CO2 is 4-6 5.6-6 6-7 7-8
11 Which of the following can be used as a fuel? Methanol Ethanol Bio-diesel All of them
12 Which gas is produce by the electrical lightening of air. NO SO<sub>2</sub> SO<sub>3</sub> CO<sub>2</sub>
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