Chemistry Which of the inert gases can form compounds? Helium Xenon Argon Krypton Helium Xenon Argon Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Lowering of pH of soil Depletion of fossil fuel reserves Industrial smog formation Eutrophication in lakes Lowering of pH of soil Depletion of fossil fuel reserves Industrial smog formation Eutrophication in lakes ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Silicon Sodium Graphite Phosphorus Silicon Sodium Graphite Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Faraday Bohr and Rutherford Alfred Nobel Volta Faraday Bohr and Rutherford Alfred Nobel Volta ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when it is left in open for some time. This happens due to the formation of Citric acid Carbonic acid Lactic acid Acetic acid Citric acid Carbonic acid Lactic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Besides CO2, the other green house gas is CH4 Ar Ar N2 N2 O2 CH4 Ar Ar N2 N2 O2 ANSWER DOWNLOAD EXAMIANS APP
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