Chemistry Surface water is a better source of drinking water because it is poor in Bacteria Arsenic Dust Algae Bacteria Arsenic Dust Algae ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Silver bromide Sodium sulphate Hydroquinone Hypo Silver bromide Sodium sulphate Hydroquinone Hypo ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lowest layer of earth's atmosphere is Troposphere Stratosphere Mesosphere Ionosphere Troposphere Stratosphere Mesosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galena is a mineral of Calcium Iron Lead Gold Calcium Iron Lead Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most commonly used bleaching agent is Sodium chloride Chlorine Carbon dioxide Alcohol Sodium chloride Chlorine Carbon dioxide Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Lead Nickel Aluminium Copper Lead Nickel Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
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