Chemistry Which of the following is very reactive and kept in kerosene? Potassium Sodium Bromine Iodine Potassium Sodium Bromine Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomers of dacron are Ethylene glycol and terephthalic acid Decanone and decanol Decane and decanol Ethylene glygol and phthalic acid Ethylene glycol and terephthalic acid Decanone and decanol Decane and decanol Ethylene glygol and phthalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Methane Sulphur dioxide Carbon dioxide Carbon monoxide Methane Sulphur dioxide Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, carbonate ore of Zinc is Zincblende Zincite Calamine Sphalerite Zincblende Zincite Calamine Sphalerite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Graphite Ferrous sulphide Lead Lead sulphide Graphite Ferrous sulphide Lead Lead sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to 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 Its ability to absorb all other colours except yellow sublimation of sodium to emit yellow colour ANSWER DOWNLOAD EXAMIANS APP
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