Chemistry Nitrogen is an essential constituent of all : Vitamins Carbohydrates Proteins Fats Vitamins Carbohydrates Proteins Fats ANSWER DOWNLOAD EXAMIANS APP
Chemistry Freon' used as refrigerants is chemically Fluorinated hydrocarbon Chlorofluoro hydrocarbon Chlorinated hydrocarbon Fluorinated aromatic compound Fluorinated hydrocarbon Chlorofluoro hydrocarbon Chlorinated hydrocarbon Fluorinated aromatic compound ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Man dies in the atmosphere of CO, because it Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Combines with O2 present in the body Dries up the blood Reduces the organic matter of tissues Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Combines with O2 present in the body Dries up the blood Reduces the organic matter of tissues ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ CFC CO2 SO2 CO CFC CO2 SO2 CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most commonly used bleaching agent is Carbon dioxide Alcohol Sodium chloride Chlorine Carbon dioxide Alcohol Sodium chloride Chlorine ANSWER DOWNLOAD EXAMIANS APP
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