Chemistry The chemical used in developing photographic films is Hydroquinone Sodium sulphate Hypo Silver bromide Hydroquinone Sodium sulphate Hypo Silver bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 4 2 3 1 4 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Mercury Arsenic Lead Aluminium Mercury Arsenic Lead Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Helium Hydrogen Air Nitrogen Helium Hydrogen Air Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Ti Pb Ni Fe Ti Pb Ni Fe ANSWER DOWNLOAD EXAMIANS APP
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