Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Nitrogen Helium Argon Hydrogen Nitrogen Helium Argon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of baking soda is Sodium carbonate Sodium chloride Sodium nitrate Sodium bicarbonate Sodium carbonate Sodium chloride Sodium nitrate Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Silicon Thallium Caesium Tin Silicon Thallium Caesium Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Aluminium Gold Iron Silver Aluminium Gold Iron Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Decomposition reaction Electrolysis Combination reaction Spontaneous oxidation-reduction reaction Decomposition reaction Electrolysis Combination reaction Spontaneous oxidation-reduction reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is made up of : Polypropylene Polyethylene Polyester Polyamide Polypropylene Polyethylene Polyester Polyamide ANSWER DOWNLOAD EXAMIANS APP
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