Chemistry The gas which turns into liquid at the lowest temperature among the following is Hydrogen Helium Oxygen Nitrogen Hydrogen Helium Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Nitrogen Krypton Oxygen Argon Nitrogen Krypton Oxygen Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the purest form of carbon Graphite Iron Diamond Coal Graphite Iron Diamond Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following coal contains 90 per cent of carbon? Lignite Anthracite Bitumen Peat Lignite Anthracite Bitumen Peat ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : Iso-octane 2-methyl heptane N-heptane 2,2-dimethyl hexane Iso-octane 2-methyl heptane N-heptane 2,2-dimethyl hexane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Burning of coal Conversion of water into steam Digestion of food Burning of paper Burning of coal Conversion of water into steam Digestion of food Burning of paper ANSWER DOWNLOAD EXAMIANS APP