Question : Which of the following is an air pollutant?
I Water vapour
II Carbon dioxide
III Hydrogen Gas
Option 1: Only I
Option 2: Only II
Option 3: Only III
Option 4: Both II and III
Correct Answer: Only II
Solution : The correct option is Only II .
Carbon dioxide (CO 2 ) is classified as an air pollutant when it is found in high concentrations in the Earth's atmosphere, causing harmful impacts on the ecosystem, and climate. Human actions such as fossil fuels, have considerably boosted its concentration. The fundamental issue with increasing CO 2 levels as an air pollutant is its role as a greenhouse gas, which leads to global warming.
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Question : Which among the following is a greenhouse gas?
I. Methane
II. Carbon dioxide
III. Nitrogen dioxide
Question : Which among the following is used in fire extinguishers?
I. carbon dioxide
II. oxygen
III. sulphur dioxide
Question : Which of the following is a communicable disease?
I. Malaria
II. Tuberculosis
III. Measles
Question : When Hydrogen starts burning in air ,it produces?
Question : Which of the following gases is used in a bulb?
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