Chemistry A balloon filled with helium rises in air because Air exerts an upward force on the balloon Helium is less dense than air The balloon is weightless Helium pushes down on the air below the balloon Air exerts an upward force on the balloon Helium is less dense than air The balloon is weightless Helium pushes down on the air below the balloon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silica gel is a Delicious food Moisturizer Flavouring agent Drying agent Delicious food Moisturizer Flavouring agent Drying agent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Silver bromide Potassium nitrate Aluminium hydroxide Sodium chloride Silver bromide Potassium nitrate Aluminium hydroxide Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Cadmium Sodium Lithium Potassium Cadmium Sodium Lithium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is a covalent compound ? Carbon tetrachloride Calcium chloride Magnesium fluoride Sodium chloride Carbon tetrachloride Calcium chloride Magnesium fluoride Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Mercury Lead Copper Zinc Mercury Lead Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
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