Question

I. Name the following: 1. The compound of calcium which is yellow in colour. 2. When acid is present in rain water. 3. The main pollutant gas released from Mathura refineries. 4. Pollutant which causes thinning of ozone layer. 5. Pollutant which binds with haemoglobin. 6. Radiations from sun which causes cancer.​

Answer 1

Answer:

1. the compound of calcium which is yellow in colour is bleaching powder.

2. may cause harmful effects on soil, forests, streams, and lakes. Acid rain results when sulfur dioxide (SO2) and nitrogen oxides (NOX) are emitted into the atmosphere and transported by wind and air currents. The SO2 and NOX react with water, oxygen and other chemicals to form sulfuric and nitric acids.

3. This oil refinery releases some toxic gases such as sulphur dioxide and nitrogen dioxide which present in the air as a high level of suspended particulate matter. This sulphur dioxide reacts with water that is present in the air as a vapor to form sulphuric acid.

4. Ozone depletion

5. Carbon monoxide (CO) 

6.UVB rays 

Answer 2

Answer:

I. Name the following:

1. The compound of calcium which is yellow in colour.

Ans:- Bleaching Powder

2. When acid is present in rain water.

Ans:- Acid Rain

3. The main pollutant gas released from Mathura refineries.

Ans:- Sulphur dioxide and Nitrogen dioxide

4. Pollutant which causes thinning of ozone layer.

Ans:- Chlorofluorocarbons, hydrochlorofluorocarbons and halons

5. Pollutant which binds with haemoglobin.

Ans:- Carbon monoxide

6. Radiations from sun which causes cancer.​

Ans:- Ultraviolet Rays
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