Chemistry The oxidation number of nickel in K4[Ni(CN)4] is –4 8 4 Zero –4 8 4 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is Lighter than hydrogen Non-combustible More stable More abundant than hydrogen Lighter than hydrogen Non-combustible More stable More abundant than hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of natural gas is: Methane Helium Propane Nitrogen Methane Helium Propane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead in water can cause Kidney damage Hair falling Arthritis Eye disease Kidney damage Hair falling Arthritis Eye disease ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not an addition polymer Nylon Polystyrene PVC Polythene Nylon Polystyrene PVC Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is Lead SO2 Hg NO2 Lead SO2 Hg NO2 ANSWER DOWNLOAD EXAMIANS APP
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