Chemistry Which of the following has pH value 7? Sodium Carbonate H2SO4 Pure Water HCl Sodium Carbonate H2SO4 Pure Water HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is used as raw material by which industry ? Steel Gold Aluminium Iron Steel Gold Aluminium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is generally kept under Water Glycerine Alcohol Kerosene oil Water Glycerine Alcohol Kerosene oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is lighter than air Its atomic number is 2 It is one of the constitutents of water It is a noble gas It is lighter than air Its atomic number is 2 It is one of the constitutents of water It is a noble gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Hydrogen cyanide Mustard gas Water gas Carbon monoxide Hydrogen cyanide Mustard gas Water gas Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? Dust particles Photochemical smog NO2 SO2 Dust particles Photochemical smog NO2 SO2 ANSWER DOWNLOAD EXAMIANS APP