Chemistry Helium gas is filled in ballons because 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 It is lighter than air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Oxygen Nitrogen Hydrogen Sulphide Carbon dioxide Oxygen Nitrogen Hydrogen Sulphide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Ethyl alcohol and H2O Ethyl alcohol Methyl alcohol Methyl alcohol and H2O Ethyl alcohol and H2O Ethyl alcohol Methyl alcohol Methyl alcohol and H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is lustrous because Its refractive index is high It is pure It is hard It is colourless Its refractive index is high It is pure It is hard It is colourless ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Solid zinc Gaseous zinc Molten tin Molten zinc Solid zinc Gaseous zinc Molten tin Molten zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a pure form of carbon Graphite Diamond Coal Gold Graphite Diamond Coal Gold ANSWER DOWNLOAD EXAMIANS APP
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