Chemistry Which of the following is usually not an air-pollutant? Nitrous oxide Hydrocarbons Sulphur dioxide Carbon dioxide Nitrous oxide Hydrocarbons Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The weight of 6.023 × 1022 atoms of carbon is 0.12 gms 12 gms 1.2 gms 120 gms 0.12 gms 12 gms 1.2 gms 120 gms ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called magnetic separation levigation leaching liquation magnetic separation levigation leaching liquation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful Solar ultraviolet radiation Solar infrared radiation CO2 in the air SO2 in the air Solar ultraviolet radiation Solar infrared radiation CO2 in the air SO2 in the air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead in water can cause Arthritis Eye disease Hair falling Kidney damage Arthritis Eye disease Hair falling Kidney damage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/3 1/8 1/6 1/4 1/3 1/8 1/6 1/4 ANSWER DOWNLOAD EXAMIANS APP
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