Chemistry Which one out of the following helps in burning ? Carbon monoxide Oxygen Carbon dioxide Nitrogen Carbon monoxide Oxygen Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Solid zinc Molten zinc Gaseous zinc Molten tin Solid zinc Molten zinc Gaseous zinc Molten tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap helps in better cleaning of clothes because Soap acts like catalyst It reduces the surface tension of solution It gives strength to solution It absorbs the dirt Soap acts like catalyst It reduces the surface tension of solution It gives strength to solution It absorbs the dirt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Iron and cadmium Zinc and carbon Nickel and cadmium Lead peroxide and lead Iron and cadmium Zinc and carbon Nickel and cadmium Lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Infrared Radio-waves Visible Ultraviolet Infrared Radio-waves Visible Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
Chemistry Antacid tablets consist of Hydroxides of magnesium and aluminium Hydroxides of magnesium and sodium Hydroxides of sodium and aluminium Hydroxides of sodium, magnesium and aluminium Hydroxides of magnesium and aluminium Hydroxides of magnesium and sodium Hydroxides of sodium and aluminium Hydroxides of sodium, magnesium and aluminium ANSWER DOWNLOAD EXAMIANS APP
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