Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HNO3 H2SO4 HCl HF HNO3 H2SO4 HCl HF ANSWER DOWNLOAD EXAMIANS APP
Chemistry Freon' used as refrigerants is chemically Fluorinated hydrocarbon Chlorinated hydrocarbon Chlorofluoro hydrocarbon Fluorinated aromatic compound Fluorinated hydrocarbon Chlorinated hydrocarbon Chlorofluoro hydrocarbon Fluorinated aromatic compound ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Magnesium Potassium Beryllium Aluminium Magnesium Potassium Beryllium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical substance present in bones and teeth is Calcium sulphate Calcium chloride Calcium phosphate Calcium borate Calcium sulphate Calcium chloride Calcium phosphate Calcium borate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to Its ability to absorb all other colours except yellow sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium Its ability to absorb all other colours except yellow sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commonly used antiseptic 'Dettol' is a mixture of O-cresol + terepineol Phenol + terepineol O-chlorophenoxylenol + terepineol Chloroxylenol + terepineol O-cresol + terepineol Phenol + terepineol O-chlorophenoxylenol + terepineol Chloroxylenol + terepineol ANSWER DOWNLOAD EXAMIANS APP
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