Chemistry Helium is added to the oxygen supply of deep sea divers because it is Lighter than nitrogen Less soluble in blood than nitrogen at high pressure Readily miscible with oxygen Less poisonous than nitrogen Lighter than nitrogen Less soluble in blood than nitrogen at high pressure Readily miscible with oxygen Less poisonous than nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because Water and petrol react chemically Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down Water and petrol are miscible with each other Water and petrol react chemically Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down Water and petrol are miscible with each other ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is also used as a Bio fertilizer? None of these Uric Acid Ammonia Urea None of these Uric Acid Ammonia Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saline soil contains Hard rocks Lot of moisture High concentration of salt None of these Hard rocks Lot of moisture High concentration of salt None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Calcium Sulphate Sodium Silicate Calcium Silicate Sodium Sulphate Calcium Sulphate Sodium Silicate Calcium Silicate Sodium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called LD50 LC50 NOAEL ADI LD50 LC50 NOAEL ADI ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS