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प्रश्न
Discuss how acid rain occurs due to emission of smoke from vehicles and industries?
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उत्तर
- Rain becomes acidic in nature due to the presence of certain pollutants in the air released by cars and industrial processes.
- Acid rain is caused by emissions of sulphur dioxide and nitrogen oxide which react with the water molecules in the atmosphere.
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संबंधित प्रश्न
Complete and balance the following chemical equations:
`"H"_2"S"` + `"CI"_2` `→`
Complete and balance the following chemical equations:
Ba`"CI"_2` + `"H"_2"SO"_4` `→`
(aq.) (aq.)
Give reason.
Acidic soil is treated with quick lime.
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Reduction reaction is the exact opposite of
- displacement reaction
- decomposition reaction
- oxidation reaction
- none of these
Explain the following reaction with one suitable example of Displacement reaction.
Explain the following reaction with one suitable example of Double decomposition reaction.
Give an example of a reaction where the following are involved
Catalyst
Write the chemical reaction where the following changes are observed.
Colour change is noticed
Give a word equation for the following reaction.
A salt which reacts with ammonium hydroxide to give a reddish brown precipitate.
Give balanced equation for the following conversion affected by heat alone on the substance:
Ammonium dichromate to nitrogen
