Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Zinc Chromium Lead Nickel Zinc Chromium Lead Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Sodium dihydrogen phosphate Phosphoric acid Sodium phosphate Disodium hydrogen phosphate Sodium dihydrogen phosphate Phosphoric acid Sodium phosphate Disodium hydrogen phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the principal ore of aluminium ? Dolomite Copper Bauxite Lignite Dolomite Copper Bauxite Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as a/an Pesticide Insecticide Disinfectant Fertiliser Pesticide Insecticide Disinfectant Fertiliser ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is a by product of sewage treatment and can be decomposed to produce biogas Sewage Sewer Scum Sludge Sewage Sewer Scum Sludge ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas does not form the part of atmosphere ? Helium None of these Chlorine Nitrogen Helium None of these Chlorine Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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