Chemistry Sulphur dioxide bleaches colouring matter by : Reduction Decomposition Dehydration Oxidation Reduction Decomposition Dehydration Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of O3 layer SO2 layer O 2 layer CO2 layer O3 layer SO2 layer O 2 layer CO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Lithium Sodium Cadmium Potassium Lithium Sodium Cadmium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hottest part of the gas flame is known as luminous zone blue zone dark zone non-luminous zone luminous zone blue zone dark zone non-luminous zone ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Graphite Teflon Diamond Napthalene Graphite Teflon Diamond Napthalene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are Sodium salt of benzoic acid Sodium salts of fatty acids Sodium salts of sulphonic acids None of these Sodium salt of benzoic acid Sodium salts of fatty acids Sodium salts of sulphonic acids None of these ANSWER DOWNLOAD EXAMIANS APP
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