Chemistry Which one is the most reactive halogen Bromine Fluorine Iodine Chlorine Bromine Fluorine Iodine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement containing excess amount of lime Is quick setting Is slow setting Cracks during setting Becomes more strong Is quick setting Is slow setting Cracks during setting Becomes more strong ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Helium is less dense than air Helium pushes down on the air below the balloon The balloon is weightless Air exerts an upward force on the balloon Helium is less dense than air Helium pushes down on the air below the balloon The balloon is weightless Air exerts an upward force on the balloon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used bleaching agent is chlorine alcohol sodium chlorine carbon dioxide chlorine alcohol sodium chlorine carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Ether, Ammonia Nitrogen dioxide, ether Nitrous oxide, Chloroform Chloroform, Nitrogen dioxide Ether, Ammonia Nitrogen dioxide, ether Nitrous oxide, Chloroform Chloroform, Nitrogen dioxide 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 miscible with each other The flame is too hot for water to cool it down Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol react chemically Water and petrol are miscible with each other The flame is too hot for water to cool it down Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn ANSWER DOWNLOAD EXAMIANS APP
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