Chemistry Helium is added to the oxygen supply of deep sea divers because it is Lighter than nitrogen Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Readily miscible with oxygen Lighter than nitrogen Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Readily miscible with oxygen 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 D A B C D A B C ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most volatile of the given liquids is Liquid He Liquid Liquid NH3 Ether Liquid He Liquid Liquid NH3 Ether ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Titanium Aluminium Copper Iron Titanium Aluminium Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is a fraction always less than its atomic number always more than the atomic weight the sum of the number of protons and neutrons present in the nucleus a fraction always less than its atomic number always more than the atomic weight the sum of the number of protons and neutrons present in the nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following vegetable oils does not contain essential fatty acids ? Coconut oil Mustard oil Sunflower oil Groundnut oil Coconut oil Mustard oil Sunflower oil Groundnut oil ANSWER DOWNLOAD EXAMIANS APP