Chemistry Which among the following is a covalent compound ? Carbon tetrachloride Calcium chloride Sodium chloride Magnesium fluoride Carbon tetrachloride Calcium chloride Sodium chloride Magnesium fluoride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is None of these ethyl alcohol ethylene vinyl chloride None of these ethyl alcohol ethylene vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? Black phosphorus Violet phosphorus Red phosphorus White phosphorus Black phosphorus Violet phosphorus Red phosphorus White phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because 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 Helium is less dense than air Helium pushes down on the air below the balloon The balloon is weightless ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Mercury Iron Gold Platinum Mercury Iron Gold Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of natural gas is: Propane Methane Nitrogen Helium Propane Methane Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
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