Chemistry DDT and BHC may act as Asthematic agents Allergens None of these Carcinogens Asthematic agents Allergens None of these Carcinogens ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Hardness Alkalinity Acidity Eutrophication Hardness Alkalinity Acidity Eutrophication ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? The heat required for combustion of petrol is very low The oxygen content of water is isolated by petrol and thus it helps in burning Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low The oxygen content of water is isolated by petrol and thus it helps in burning Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ gives hardness to stainless steel. Lead Carbon Zinc Tin Lead Carbon Zinc Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Aerosols Fumes Smoke Mists Aerosols Fumes Smoke Mists 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? 1/6 1/8 1/3 1/4 1/6 1/8 1/3 1/4 ANSWER DOWNLOAD EXAMIANS APP
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