Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Nickel Zinc Chromium Lead Nickel Zinc Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas used by the police to disperse the mob contains Carbon dioxide Ammonia Hydrogen sulphide Chlorine Carbon dioxide Ammonia Hydrogen sulphide Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Lead Copper Cadmium Chromium Lead Copper Cadmium Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stalactites and Stalagmites form due to the precipitation of : MgCl2 CaCl2 MgCO3 CaCO3 MgCl2 CaCl2 MgCO3 CaCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 138 50 88 314 138 50 88 314 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to denature ethanol ? Propyl alcohol Methane Phenol Methyl alcohol Propyl alcohol Methane Phenol Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
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