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 The metal used to recover copper from a solution of copper sulphate is Fe Ag Na Hg Fe Ag Na Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following iron ores, the highest percentage of iron content is found in– Magnetite Haemetite Limnonite None of these Magnetite Haemetite Limnonite None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas mainly contains Hydrogen sulphide Methane Carbon dioxide Carbon monoxide Hydrogen sulphide Methane Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcoholic (– OH) group can be identified by : Ozonolysis Reaction FeCl3Test Esterification Test Tollen's Reagent Test Ozonolysis Reaction FeCl3Test Esterification Test Tollen's Reagent Test ANSWER DOWNLOAD EXAMIANS APP
Chemistry The temperature of oxy-acetylene flame is around 3600°C 2800°C 4000°C 3200°C 3600°C 2800°C 4000°C 3200°C ANSWER DOWNLOAD EXAMIANS APP
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