Chemistry Acid rain is caused by the pollution of environment by Carbon dioxide and Nitrogen Nitrous oxide and Sulphur dioxide Carbon monoxide and Carbon dioxide Ozone and Carbon dioxide Carbon dioxide and Nitrogen Nitrous oxide and Sulphur dioxide Carbon monoxide and Carbon dioxide Ozone and Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Supplying oxygen for people travelling in jets Checking the penetration of ultra-violet rays to the earth Increasing the average global temperature in recent years Higher rate of photosynthesis Supplying oxygen for people travelling in jets Checking the penetration of ultra-violet rays to the earth Increasing the average global temperature in recent years Higher rate of photosynthesis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silk fibre chemically is : Fat Carbohydrate Cellulose Protein Fat Carbohydrate Cellulose Protein ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a commercial source of energy? Dried dung Natural gas Sun Agricultural waste Dried dung Natural gas Sun Agricultural waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry The smog is essentially caused by the presence of O3 and N2 O2 and N2 O2 and O3 Oxides of N and S O3 and N2 O2 and N2 O2 and O3 Oxides of N and S ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when it is left in open for some time. This happens due to the formation of Citric acid Acetic acid Carbonic acid Lactic acid Citric acid Acetic acid Carbonic acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
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