Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 12 18 6 Zero 12 18 6 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has Stable half filled 2p sub level High bond dissociation energy High nuclear charge Smaller atomic radius Stable half filled 2p sub level High bond dissociation energy High nuclear charge Smaller atomic radius ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 100 50 500 200 100 50 500 200 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is used to manufacture which of the following ? Nylon Terylene Artificial silk Rubber Nylon Terylene Artificial silk Rubber ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is usually a mixture of : Calcium aluminate and calcium ferrate Lime stone and silicon dioxide Calcium silicate and calcium ferrate Calcium silicate and calcium aluminate Calcium aluminate and calcium ferrate Lime stone and silicon dioxide Calcium silicate and calcium ferrate Calcium silicate and calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Rain water Tap water Ground water Distilled water Rain water Tap water Ground water Distilled water ANSWER DOWNLOAD EXAMIANS APP
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