Chemistry Which of the following metals can displace copper from copper sulphate solution ? Gold Platinum Iron Mercury Gold Platinum Iron Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Sulphur dioxide gas Nitric oxide gas Nitrogen dioxide gas Carbon dioxide gas Sulphur dioxide gas Nitric oxide gas Nitrogen dioxide gas Carbon dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Phosphorus Graphite Bauxite Sulphur Phosphorus Graphite Bauxite Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry In silvery paints, the main constituent present is Lead powder White lead Silver powder Aluminium powder Lead powder White lead Silver powder Aluminium powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is All of these O3 CO CO2 All of these O3 CO CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Radium Carbon-14 Phosphorus-31 Tritium Radium Carbon-14 Phosphorus-31 Tritium ANSWER DOWNLOAD EXAMIANS APP
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