Chemistry Sulphur dioxide bleaches colouring matter by : Dehydration Oxidation Decomposition Reduction Dehydration Oxidation Decomposition Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is not a characteristic of transition metals? Low electronegativity Malleability Tendency to gain electrons Low ionization energy Low electronegativity Malleability Tendency to gain electrons Low ionization energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? Zero 12 6 18 Zero 12 6 18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of elements in the Periodic table 127 118 112 115 127 118 112 115 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is used in drinking water as a/an Antiseptic Antibiotic Coagulant Disinfectant Antiseptic Antibiotic Coagulant Disinfectant ANSWER DOWNLOAD EXAMIANS APP
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