Chemistry Which one of the following was used as a chemical weapon in the first world war ? Mustard gas Hydrogen cyanide Water gas Carbon monoxide Mustard gas Hydrogen cyanide Water gas Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Conc. HCl and conc. HNO3 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. H2SO4 Conc. HNO3 and conc. HCl Conc. HCl and conc. HNO3 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. H2SO4 Conc. HNO3 and conc. HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of major air pollutant is Carbon dioxide Carbon monoxide Helium Oxygen Carbon dioxide Carbon monoxide Helium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is biodegradable ? Aluminium Paper Plastic D.T. Aluminium Paper Plastic D.T. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following commonly used materials, the one that is not an alloy is Copper Bronze Steel Brass Copper Bronze Steel Brass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Carbon dioxide Oxygen Hydrogen Sulphide Nitrogen Carbon dioxide Oxygen Hydrogen Sulphide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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