Chemistry The metal used to galvanise iron to protect it from rusting is Lead Chromium Zinc Antimony Lead Chromium Zinc Antimony ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Halogens Noble gases Heavy metals Light metals Halogens Noble gases Heavy metals Light metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Petroleum Natural Gas Coal Firewood Petroleum Natural Gas Coal Firewood ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Atomic theory' of matter was given by Pascal Avogadro Dalton Newton Pascal Avogadro Dalton Newton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant constituent of atmospheric air is : Nitrogen Oxygen Carbon Hydrogen Nitrogen Oxygen Carbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : H2O2 Alcohol Petrol Oxalic acid H2O2 Alcohol Petrol Oxalic acid ANSWER DOWNLOAD EXAMIANS APP