Chemistry Two elements which can form a large number of compounds are Carbon and Nitrogen Carbon and Hydrogen Carbon and Sulphur Carbon and Oxygen Carbon and Nitrogen Carbon and Hydrogen Carbon and Sulphur Carbon and Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Helium Lithium Hydrogen Sodium Helium Lithium Hydrogen Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a pure form of carbon Coal Graphite Diamond Gold Coal Graphite Diamond Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Mercury vapour and argon Mercury oxide and neon Sodium oxide and argon Sodium vapour and neon Mercury vapour and argon Mercury oxide and neon Sodium oxide and argon Sodium vapour and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore which is found in abundance in India is monazite fluorspar bauxite magnetite monazite fluorspar bauxite magnetite ANSWER DOWNLOAD EXAMIANS APP