Chemistry Muddy water is treated with alum in purification process, itis termed as : Absorption Emulsification Adsorption Coagulation Absorption Emulsification Adsorption Coagulation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the fuels given below, the one with highest calorific value is Coal Natural gas Wood Coke Coal Natural gas Wood Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? The oxygen content of water is isolated by petrol and thus it helps in burning Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low Water, being heavy, slips below petrol which thus remains in contact with air and burns ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bakelite is a co-polymer of Phenol and Cinnaldehyde Benzaldehyde Acetaldehyde Formaldehyde Cinnaldehyde Benzaldehyde Acetaldehyde Formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat required to raise the temperature of body by 1 K is called water equivalent specific heat thermal capacity None of these water equivalent specific heat thermal capacity None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical that is used to ripen mangoes is Calcium carbonate Calcium sulphide Calcium carbide Calcium chloride Calcium carbonate Calcium sulphide Calcium carbide Calcium chloride ANSWER DOWNLOAD EXAMIANS APP