Chemistry Which one of the following is used as preservative for foodstuff ? Glycerine Sodium Chloride Sodium Benzoate Picric acid Glycerine Sodium Chloride Sodium Benzoate Picric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Sodium salt of benzoic acid Sodium carbonate Acetic acid Tartaric acid Sodium salt of benzoic acid Sodium carbonate Acetic acid Tartaric acid 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 Nitrogen Neon Sodium Hydrogen Nitrogen Neon Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Hydrogen at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Hydrogen at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Carbon Monoxide Carbon dioxide Ozone gas Methane Carbon Monoxide Carbon dioxide Ozone gas Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' Robert Boyle John Dalton Antoine Lavoisier Democritus Robert Boyle John Dalton Antoine Lavoisier Democritus ANSWER DOWNLOAD EXAMIANS APP
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