Chemistry Commercial nitric acid is coloured because it contains dissolved : Oxygen Coloured impurities Nitrous oxide Nitrogen dioxide Oxygen Coloured impurities Nitrous oxide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bridgmanite is Name of a game Name of a music Earth’s most abundant minera A bridge on the river Thames Name of a game Name of a music Earth’s most abundant minera A bridge on the river Thames ANSWER DOWNLOAD EXAMIANS APP
Chemistry Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of Isothermal system Isobaric system Open system Closed system Isothermal system Isobaric system Open system Closed system ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Calcium Sodium Strontium Barium Calcium Sodium Strontium Barium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More abundant than hydrogen Lighter than hydrogen More stable Non-combustible More abundant than hydrogen Lighter than hydrogen More stable Non-combustible ANSWER DOWNLOAD EXAMIANS APP
Chemistry What do you understand by the term Espuma ? Salt Soap Foam Calcium Salt Soap Foam Calcium ANSWER DOWNLOAD EXAMIANS APP