Chemistry Mercury is emitted into air by Coal fire Steam engine Burning coal Burning garbage Coal fire Steam engine Burning coal Burning garbage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The basic chemical building block of natural rubber obtained from trees is Acetylene Neoprene Isoprene Vinyl Chloride Acetylene Neoprene Isoprene Vinyl Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one amongst the following is not a Green House gas? Chloro fluoro carbons Carbon Monoxide Nitrogen Carbon dioxide Chloro fluoro carbons Carbon Monoxide Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Lead Carbon monoxide Oxides of nitrogen Polycyclic hydrocarbons Lead Carbon monoxide Oxides of nitrogen Polycyclic hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to strong F - F bond its high electro negativity small size of fluorine atom availability of d-orbitals strong F - F bond its high electro negativity small size of fluorine atom availability of d-orbitals ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of SO2 CO2 CO Unburnt petrol SO2 CO2 CO Unburnt petrol ANSWER DOWNLOAD EXAMIANS APP