Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Neon Argon Helium Krypton Neon Argon Helium Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Zinc Antimony Chromium Lead Zinc Antimony Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Wood spirit is Methyl alcohol Propyl alcohol Ethyl alcohol Butyl alcohol Methyl alcohol Propyl alcohol Ethyl alcohol Butyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Hydrogen Sodium Nitrogen Neon Hydrogen Sodium Nitrogen Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Cancer Respiratory diseases (e.g.asthma) Silicosis Reduced crop yield Cancer Respiratory diseases (e.g.asthma) Silicosis Reduced crop yield ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqueous solution of which of the following is a good conductor of electricity Ammonium acetate Glucose Ammonia Acetic acid Ammonium acetate Glucose Ammonia Acetic acid ANSWER DOWNLOAD EXAMIANS APP
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