Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Pt Cu Ni Pb Pt Cu Ni Pb 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 Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Manganese Magnesium None of these Calcium Manganese Magnesium None of these Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Iron Gold Zinc Copper Iron Gold Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 5 –3 to + 6 –3 to + 3 –3 to + 4 –3 to + 5 –3 to + 6 –3 to + 3 –3 to + 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of gas constant R in Ergs deg–1 mole–1 is 4.183 × 107 8.314 × 107 8.413 × 107 8.341 × 107 4.183 × 107 8.314 × 107 8.413 × 107 8.341 × 107 ANSWER DOWNLOAD EXAMIANS APP
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