Chemistry Phosphorus is kept in water because Its ignition temperature is very high Its ignition temperature is very low Its critical temperature is high Its critical temperature is low Its ignition temperature is very high Its ignition temperature is very low Its critical temperature is high Its critical temperature is low ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Hydrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Nitrogen Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Nitrogen Liquid Nitrogen + Liquid Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silk fibre chemically is : Carbohydrate Protein Cellulose Fat Carbohydrate Protein Cellulose Fat ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive halogen Iodine Bromine Chlorine Fluorine Iodine Bromine Chlorine Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process : Hydrolysis Ozonolysis Hydrogenation Oxidation Hydrolysis Ozonolysis Hydrogenation Oxidation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS