Chemistry The first metal used by man was copper iron bronze gold copper iron bronze gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following coal contains 90 per cent of carbon? Anthracite Lignite Bitumen Peat Anthracite Lignite Bitumen Peat ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Sodium dihydrogen phosphate Disodium hydrogen phosphate Sodium phosphate Phosphoric acid Sodium dihydrogen phosphate Disodium hydrogen phosphate Sodium phosphate Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Molasses a by-product in the manufacture of sugar, is converted into Alcohol Fuel Paper Pulp Alcohol Fuel Paper Pulp ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 2 3 1 4 2 3 1 4 ANSWER DOWNLOAD EXAMIANS APP
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