Chemistry A balloon filled with helium rises in air because The balloon is weightless Air exerts an upward force on the balloon Helium is less dense than air Helium pushes down on the air below the balloon The balloon is weightless Air exerts an upward force on the balloon Helium is less dense than air Helium pushes down on the air below the balloon ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of replenishable energy source is– Biomass Lignite Petroleum Coal Biomass Lignite Petroleum Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal gas tragedy was caused by the gas Methyl Iso Cyanate Methyl chloride Methyl Cyanide Methyl Iso Cyanide Methyl Iso Cyanate Methyl chloride Methyl Cyanide Methyl Iso Cyanide ANSWER DOWNLOAD EXAMIANS APP
Chemistry An emulsion is a colloidal solution of Liquid in liquid Solid in Solid Gas in solid Solid in liquid Liquid in liquid Solid in Solid Gas in solid Solid in liquid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: A lowering of entropy An increase in Internal energy A lowering of free energy Increase in free energy A lowering of entropy An increase in Internal energy A lowering of free energy Increase in free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Isobutane and propane Methane and carbon monoxide Methane and carbon dioxide Carbon dioxide and oxygen Isobutane and propane Methane and carbon monoxide Methane and carbon dioxide Carbon dioxide and oxygen ANSWER DOWNLOAD EXAMIANS APP
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