Chemistry Nitrogen is an essential constituent of all : Proteins Vitamins Carbohydrates Fats Proteins Vitamins Carbohydrates Fats ANSWER DOWNLOAD EXAMIANS APP
Chemistry Submarines move under water. They have engines that run on Steam Petrol and oxygen Diesel Batteries Steam Petrol and oxygen Diesel Batteries ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following substance is highly plastic ? Mica Granite Clay Quartz Mica Granite Clay Quartz ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Carbon dioxide Carbon monoxide Nitrogen Oxygen Carbon dioxide Carbon monoxide Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? Violet phosphorus White phosphorus Black phosphorus Red phosphorus Violet phosphorus White phosphorus Black phosphorus Red phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Helium pushes down on the air below the balloon The balloon is weightless Helium is less dense than air Air exerts an upward force on the balloon Helium pushes down on the air below the balloon The balloon is weightless Helium is less dense than air Air exerts an upward force on the balloon ANSWER DOWNLOAD EXAMIANS APP
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