Chemistry Petroleum is a mixture of Elements Salts Hydrocarbons Polymers Elements Salts Hydrocarbons Polymers ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant inert gas in the atmosphere is Helium Argon Krypton Neon Helium Argon Krypton Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 8.00 gram 4.00 gram 1.00 gram 4 x 6.02 x 1023 gram 8.00 gram 4.00 gram 1.00 gram 4 x 6.02 x 1023 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Free energy Activation energy Threshold energy Internal energy Free energy Activation energy Threshold energy Internal energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodex, a pain relief balm, has the smell of ________ . Methyl salicylate Butyl salicylate Ethyl salicylate Propyl salicylate Methyl salicylate Butyl salicylate Ethyl salicylate Propyl salicylate ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The combination of oxygen molecules Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The action of ultraviolet rays on oxygen The combination of oxygen molecules Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The action of ultraviolet rays on oxygen ANSWER DOWNLOAD EXAMIANS APP