Chemistry The most abundant constituent of atmospheric air is : Hydrogen Carbon Nitrogen Oxygen Hydrogen Carbon Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More abundant than hydrogen Non-combustible Lighter than hydrogen More stable More abundant than hydrogen Non-combustible Lighter than hydrogen More stable ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Atomic theory' of matter was given by Avogadro Pascal Dalton Newton Avogadro Pascal Dalton Newton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is 4.05 gram 5.05 gram 2.05 gram 3.05 gram 4.05 gram 5.05 gram 2.05 gram 3.05 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brine refers to : Sweet water Salt water Pure water Starch water Sweet water Salt water Pure water Starch water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is used in Solar energy devices All of these Transistors Semiconductors Solar energy devices All of these Transistors Semiconductors ANSWER DOWNLOAD EXAMIANS APP