Chemistry Ruby and sapphire are oxides of Tin Copper Aluminium Iron Tin Copper Aluminium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following coal contains 90 per cent of carbon? Peat Lignite Bitumen Anthracite Peat Lignite Bitumen Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Sodium dihydrogen phosphate Phosphoric acid Disodium hydrogen phosphate Sodium phosphate Sodium dihydrogen phosphate Phosphoric acid Disodium hydrogen phosphate Sodium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two electrons in an orbital are differentiated by which of the following ? Azimuthal quantum number Magnetic quantum number Principal quantum number Spin quantum number Azimuthal quantum number Magnetic quantum number Principal quantum number Spin quantum number ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Electrochemical change Physical change Electrical change None of these Electrochemical change Physical change Electrical change None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Slag is a name given for Molten iron Molten calcium silicate Molten sand Molten alumina Molten iron Molten calcium silicate Molten sand Molten alumina ANSWER DOWNLOAD EXAMIANS APP
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