Chemistry Indane gas is mixture of Butane and hydrogen Butane and propane Butane and oxygen Methane and oxygen Butane and hydrogen Butane and propane Butane and oxygen Methane and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Phosphine Freon Sulphur dioxide Chlorine Phosphine Freon Sulphur dioxide Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ The same atomic number but different atomic masses Different atomic numbers and different atomic mass The same atomic number and the atomic mass Different atomic numbers and the same atomic mass The same atomic number but different atomic masses Different atomic numbers and different atomic mass The same atomic number and the atomic mass Different atomic numbers and the same atomic mass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Match the List-I with List-II and select the correct answer using the codes given below the listsList-I (Green house gas)List-II(Major source)F.Carbondioxide1.Enteric fermentation in cattleG.Methane2.Burning of fossilH.Chloroflro carbons3.Mercury compounds in waste waterJ.Nitrous oxide4.Nylon production 5.Air conditioner and refrigeration unitsCodes :FGHJA.2154B.3421C.3241D.1234 B D C A B D C A ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Beryllium Tantalum Ultra pure carbon Silicon Beryllium Tantalum Ultra pure carbon Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Sulphur dioxide Chloro fluoro carbon Ethane Carbon dioxide Sulphur dioxide Chloro fluoro carbon Ethane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP