Chemistry The maximum number of covalent formed by nitrogen is 3 1 2 4 3 1 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in Sea water Rain water River water Distilled water Sea water Rain water River water Distilled water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of Naphthalene is Coal-tar Diesel Camphor Charcoal Coal-tar Diesel Camphor Charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of heterocyclic compound is Anthracene Benzene Furan Naphthalene Anthracene Benzene Furan Naphthalene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Roasting Calcination Smelting Refining Roasting Calcination Smelting Refining 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