Chemistry The luster of a metal is due to its chemical inertness its high polishing presence of free electrons its high density its chemical inertness its high polishing presence of free electrons its high density ANSWER DOWNLOAD EXAMIANS APP
Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Argon Helium Hydrogen Nitrogen Argon Helium Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? Hydrocarbons NO CO2 CO Hydrocarbons NO CO2 CO 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 CO Unburnt petrol SO2 CO2 CO Unburnt petrol SO2 CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of vinegar is Formic acid Oxalic acid Acetic acid Salycylic acid Formic acid Oxalic acid Acetic acid Salycylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases will effuse out of football bladder most quickly ? He H2 N 2 O2 He H2 N 2 O2 ANSWER DOWNLOAD EXAMIANS APP
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