General Science The group of metals Fe, Co, Ni may best called as Transition metals Main group metals Alkali metals Rare metals Transition metals Main group metals Alkali metals Rare metals ANSWER DOWNLOAD EXAMIANS APP
General Science The percentage of oxygen present in air is approximately- 0.23 0.4 0.44 0.21 0.23 0.4 0.44 0.21 ANSWER DOWNLOAD EXAMIANS APP
General Science The main constituents of pearls are Ammonium Sulphate and Sodium Carbonate Calcium Oxide and Ammonium Chloride Calcium Carbonate and Magnesium Carbonate Aragonite and Conchiolin Ammonium Sulphate and Sodium Carbonate Calcium Oxide and Ammonium Chloride Calcium Carbonate and Magnesium Carbonate Aragonite and Conchiolin ANSWER DOWNLOAD EXAMIANS APP
General Science Among the various allotrope of carbon Diamond is the hardest, lamp black is the softest Diamond is the hardest, coke is the softest Coke is the hardest, graphite is the softest Diamond is the hardest, graphite is the softest Diamond is the hardest, lamp black is the softest Diamond is the hardest, coke is the softest Coke is the hardest, graphite is the softest Diamond is the hardest, graphite is the softest ANSWER DOWNLOAD EXAMIANS APP
General Science The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is Krypton Argon Xenon Helium Krypton Argon Xenon Helium ANSWER DOWNLOAD EXAMIANS APP
General Science A chronometer measures: Sound waves Colour contrast Time Water waves Sound waves Colour contrast Time Water waves ANSWER DOWNLOAD EXAMIANS APP