Chemistry Cooking gas is a mixture of Carbon monoxide and carbon dioxide Carbon dioxide and oxygen Methane and ethylene Butane and propane Carbon monoxide and carbon dioxide Carbon dioxide and oxygen Methane and ethylene Butane and propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Nitrogen Helium Hydrogen Air Nitrogen Helium Hydrogen Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of replenishable energy source is– Petroleum Lignite Coal Biomass Petroleum Lignite Coal Biomass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Match the List-I with List-II and select the correct answer using the codes given belowList-I (Vitamin)List-II(Chemical compound)F.Vitamin A1.ThiaminG.Vitamin B12.RetinolH.Vitamin C3.Ascorbic acidJ.Vitamin E4.TocopherolCodes :FGHJA.4132B.2314C.4312D.2134 A B C D A B C D ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rutherford’s scattering experiment proved the presence of Electrons in atoms Nucleus in atoms Neutrons in atoms Atoms in all matter Electrons in atoms Nucleus in atoms Neutrons in atoms Atoms in all matter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium sulphide Hydrogenated wafers Hydrogen sulphide Aluminium phosphide Aluminium sulphide Hydrogenated wafers Hydrogen sulphide Aluminium phosphide ANSWER DOWNLOAD EXAMIANS APP
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