Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Industrial smog formation Depletion of fossil fuel reserves Eutrophication in lakes Lowering of pH of soil Industrial smog formation Depletion of fossil fuel reserves Eutrophication in lakes Lowering of pH of soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because The balloon is weightless Helium pushes down on the air below the balloon Air exerts an upward force on the balloon Helium is less dense than air The balloon is weightless Helium pushes down on the air below the balloon Air exerts an upward force on the balloon Helium is less dense than air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Depletion of ozone layer causes Breast cancer Blood cancer Lung cancer Skin cancer Breast cancer Blood cancer Lung cancer Skin cancer ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Methane Water Ammonia Carbonic Acid Methane Water Ammonia Carbonic Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of Iron is : Cast iron Wrought iron Steel Pig iron Cast iron Wrought iron Steel Pig iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cyanide poisoning causes death in seconds because It causes cardiac arrest It causes Lysis of red blood cells It breaks the electron transport chain It denatures enzymes of the heart/muscle It causes cardiac arrest It causes Lysis of red blood cells It breaks the electron transport chain It denatures enzymes of the heart/muscle ANSWER DOWNLOAD EXAMIANS APP
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