Chemistry Ozone depletion in the atmosphere is mainly caused by Sulphur dioxide Hydrogen sulphide Chlorofluorocarbon Nitrogen dioxide Sulphur dioxide Hydrogen sulphide Chlorofluorocarbon Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Smoke is formed due to Solid dispresed in liquid Solid dispersed in gas Gas dispresed in solid Gas dispersed in gas Solid dispresed in liquid Solid dispersed in gas Gas dispresed in solid Gas dispersed in gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Calcium, Magnesium Sodium, Magnesium Sodium, Calcium Sodium, Potassium Calcium, Magnesium Sodium, Magnesium Sodium, Calcium Sodium, Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacture of iron from iron ore involves the process of Oxidation Fractional distillation Reduction Electrolysis Oxidation Fractional distillation Reduction Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the constituents of tear gas is Chloropicrin Ether Ethanol Ethane Chloropicrin Ether Ethanol Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Methanoic and ethanoic acids can be distinguished by the action of SOCl2 Tollen's reagent NaOH NaHCO3 SOCl2 Tollen's reagent NaOH NaHCO3 ANSWER DOWNLOAD EXAMIANS APP
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