Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Krypton Argon Neon Helium Krypton Argon Neon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Aluminium Carbon Tin Chromium Aluminium Carbon Tin Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following coal contains 90 per cent of carbon? Bitumen Anthracite Lignite Peat Bitumen Anthracite Lignite Peat ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is Ca Cs Na K Ca Cs Na K ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance which does not expand on going from liquid state to solid state is Aluminium Type metal Cast-iron Water Aluminium Type metal Cast-iron Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Brass Silver Bronze Copper Brass Silver Bronze Copper ANSWER DOWNLOAD EXAMIANS APP
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