Chemistry The tip of the match-stick contains Red phosphorus White phosphorus Phosphorus pentoxide Phosphorus trichloride Red phosphorus White phosphorus Phosphorus pentoxide Phosphorus trichloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The noble gas used in radiotherapy is Argon Neon Radon Xenon Argon Neon Radon Xenon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of an addition reaction an elimination reaction a condensation reaction an oxidation reaction an addition reaction an elimination reaction a condensation reaction an oxidation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Water vapour Carbon monoxide Ozone Carbon dioxide Water vapour Carbon monoxide Ozone Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Mercury Aluminium Arsenic Lead Mercury Aluminium Arsenic Lead ANSWER DOWNLOAD EXAMIANS APP
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