Chemistry Methanoic and ethanoic acids can be distinguished by the action of NaHCO3 SOCl2 NaOH Tollen's reagent NaHCO3 SOCl2 NaOH Tollen's reagent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Cadmium Chromium Lead Copper Cadmium Chromium Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry If a buffer solution is diluted its pH Is decreased Will slowly increase and then it will decrease Is increased Remains same Is decreased Will slowly increase and then it will decrease Is increased Remains same ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is carbon dioxide oxygen nitrogen hydrogen carbon dioxide oxygen nitrogen hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of High polish Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities High density, due to closed packing of atoms High polish Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities High density, due to closed packing of atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Electrochemical change None of these Electrical change Physical change Electrochemical change None of these Electrical change Physical change ANSWER DOWNLOAD EXAMIANS APP
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