Chemistry Which of the following is not present in German-silver? Nickel Silver Zinc Copper Nickel Silver Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major use of sulphur is in the manufacture of H2S Fungicide H2SO4 SO2 H2S Fungicide H2SO4 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical that is used to ripen mangoes is Calcium carbide Calcium sulphide Calcium chloride Calcium carbonate Calcium carbide Calcium sulphide Calcium chloride Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Cryolite Calcite Bauxite Haematite Cryolite Calcite Bauxite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 1 2 3 4 1 2 3 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? Photochemical smog Dust particles NO2 SO2 Photochemical smog Dust particles NO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
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