Chemistry Commercially, sodium bicarbonate is known as Baking soda Soda ash Bleaching powder Washing soda Baking soda Soda ash Bleaching powder Washing soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? Bacterial action in soil and swamp areas All of these Automobile exhaust Forest fire Bacterial action in soil and swamp areas All of these Automobile exhaust Forest fire ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Polymers Hydrocarbons Salts Elements Polymers Hydrocarbons Salts Elements ANSWER DOWNLOAD EXAMIANS APP
Chemistry In an oxygen molecule, two atoms are united by One bond Four bonds Two bonds Three bonds One bond Four bonds Two bonds Three bonds ANSWER DOWNLOAD EXAMIANS APP
Chemistry The resources which can be used continuously, year-after -year are called Non-renewable Biotic Abiotic Renewable Non-renewable Biotic Abiotic Renewable ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because 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 Air exerts an upward force on the balloon Helium is less dense than air ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS