Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Helium Argon Krypton Neon Helium Argon Krypton Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Lead Cadmium Copper Chromium Lead Cadmium Copper Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in Vinegar ? Acetic acid Butyric acid Propionic acid Formic acid Acetic acid Butyric acid Propionic acid Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bayer's reagent is Alkaline potassium permanganate Bromine water Acidified potassium permanganate Hydrogen peroxide Alkaline potassium permanganate Bromine water Acidified potassium permanganate Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Nitrous oxide Sulphur dioxide Chlorofluorocarbons Carbon dioxide Nitrous oxide Sulphur dioxide Chlorofluorocarbons Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest form of alkane Butane Decane Propane Methane Butane Decane Propane Methane ANSWER DOWNLOAD EXAMIANS APP