Chemistry What is used in storage batteries? Tin Zinc Copper Lead Tin Zinc Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More stable Lighter than hydrogen Non-combustible More abundant than hydrogen More stable Lighter than hydrogen Non-combustible More abundant than hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Zinc Copper Silver Aluminium Zinc Copper Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Carbon dioxide Hydrogen Sulphur dioxide Ammonia Carbon dioxide Hydrogen Sulphur dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Burning of coal Conversion of water into steam Burning of paper Digestion of food Burning of coal Conversion of water into steam Burning of paper Digestion of food ANSWER DOWNLOAD EXAMIANS APP
Chemistry Depletion of ozone layer causes Breast cancer Blood cancer Lung cancer Skin cancer Breast cancer Blood cancer Lung cancer Skin cancer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS