Chemistry Sulphur dioxide bleaches colouring matter by : Dehydration Oxidation Reduction Decomposition Dehydration Oxidation Reduction Decomposition ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Ca2+ Fe2+ A l3+ Mg2+ Ca2+ Fe2+ A l3+ Mg2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the highest quality of hard coal? Anthracite Lignite Peat Bituminous Anthracite Lignite Peat Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following kinds of spectroscopy can provide information on the energy difference between the initial and final states rather the energy levels involved in the transition Rotational spectroscopy UV absorption spectroscopy Infrared absorption spectroscopy UV photoelectron spectroscopy Rotational spectroscopy UV absorption spectroscopy Infrared absorption spectroscopy UV photoelectron spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is All of them Carbon dioxide Oxygen Hydrogen All of them Carbon dioxide Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Benzene cannot undergo : Elimination Addition Oxidation Substitution Elimination Addition Oxidation Substitution ANSWER DOWNLOAD EXAMIANS APP