Chemistry Which one out of the following helps in burning ? Nitrogen Oxygen Carbon monoxide Carbon dioxide Nitrogen Oxygen Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Proton Beta particles Positron Alpha particles Proton Beta particles Positron Alpha particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest form of alkane Propane Decane Methane Butane Propane Decane Methane Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of common salt is Sodium Chloride Sodium Oxide Sodium Sodium Bicarbonate Sodium Chloride Sodium Oxide Sodium Sodium Bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? Bacterial action in soil and swamp areas All of these Automobile exhaust Forest fire Bacterial action in soil and swamp areas All of these Automobile exhaust Forest fire ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which acid is used in Lead storage battery? Hydrochloric acid Sulphuric acid Acetic acid Nitric acid Hydrochloric acid Sulphuric acid Acetic acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
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