Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Light metals Heavy metals Noble gases Halogens Light metals Heavy metals Noble gases Halogens ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? NO Hydrocarbons CO2 CO NO Hydrocarbons CO2 CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical substance present in bones and teeth is Calcium phosphate Calcium sulphate Calcium chloride Calcium borate Calcium phosphate Calcium sulphate Calcium chloride Calcium borate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Acetylene Styrene Methane Ethylene Acetylene Styrene Methane Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Oxygen Sulphur Chlorine Phosphorus Oxygen Sulphur Chlorine Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The structure of NaCl crystal is Square planar Body centered cubic Octahedral Face centered cubic Square planar Body centered cubic Octahedral Face centered cubic ANSWER DOWNLOAD EXAMIANS APP
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