Chemistry The rusting of iron is a/an Electrochemical change Electrical change None of these Physical change Electrochemical change Electrical change None of these Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Spontaneous oxidation-reduction reaction Electrolysis Combination reaction Decomposition reaction Spontaneous oxidation-reduction reaction Electrolysis Combination reaction Decomposition reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cinnabar is an ore/mineral of Mercury Manganese Lead Molybdenum Mercury Manganese Lead Molybdenum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Inert gases are Not stable Miscible with water Chemically very active Chemically unreactive Not stable Miscible with water Chemically very active Chemically unreactive ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Faraday Volta Bohr and Rutherford Alfred Nobel Faraday Volta Bohr and Rutherford Alfred Nobel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which variety of coal contains recognisable traces of the original plant material ? Lignite Anthracite Bitumen Peat Lignite Anthracite Bitumen Peat ANSWER DOWNLOAD EXAMIANS APP
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