Chemistry Helium gas is filled in ballons because It is a noble gas It is one of the constitutents of water Its atomic number is 2 It is lighter than air It is a noble gas It is one of the constitutents of water Its atomic number is 2 It is lighter than air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following kinds of spectroscopy can provide information on the energy difference between the initial and final states rather the energy levels involved in the transition Rotational spectroscopy UV photoelectron spectroscopy UV absorption spectroscopy Infrared absorption spectroscopy Rotational spectroscopy UV photoelectron spectroscopy UV absorption spectroscopy Infrared absorption spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Lime Kerosene Oxalic acid solution Petrol Lime Kerosene Oxalic acid solution Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 8, 10 2, 10, 8 2, 8, 8, 2 2, 6, 8, 4 2, 8, 10 2, 10, 8 2, 8, 8, 2 2, 6, 8, 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cinnabar is an ore/mineral of Lead Manganese Mercury Molybdenum Lead Manganese Mercury Molybdenum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of vinegar is Formic acid Oxalic acid Acetic acid Salycylic acid Formic acid Oxalic acid Acetic acid Salycylic acid ANSWER DOWNLOAD EXAMIANS APP