Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of nitrogen and sulphur Oxides of carbon and nitrogen Oxides of nitrogen and phosphorous None of these Oxides of nitrogen and sulphur Oxides of carbon and nitrogen Oxides of nitrogen and phosphorous None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum consists of a mixture of Carbohydrates Carbonates Carbides Hydrocarbons Carbohydrates Carbonates Carbides Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, carbonate ore of Zinc is Calamine Zincblende Sphalerite Zincite Calamine Zincblende Sphalerite Zincite ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver, an alloy, does not contain the metal Copper Silver Zinc Nickel Copper Silver Zinc Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Hydrogen Helium Nitrogen Chlorine Hydrogen Helium Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most extensive, commercially useful source of thorium as monazite sand occurs in India at Travancore coast West Bengal coast Gujarat coast Orissa coast Travancore coast West Bengal coast Gujarat coast Orissa coast ANSWER DOWNLOAD EXAMIANS APP