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 The compounds formed when hydrogen combines with p-block elements are called Metallic hydrides Ionic hydrides Molecular hydrides Polynuclear hydrides Metallic hydrides Ionic hydrides Molecular hydrides Polynuclear hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It is absorbed by plants It is highly inflammable It immediately combines with oxygen to form water It is the lightest gas It is absorbed by plants It is highly inflammable It immediately combines with oxygen to form water It is the lightest gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest form of iron? Wrought iron Pig iron Cast iron Steel Wrought iron Pig iron Cast iron Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuSO4 CuO Cu(NO3)2 CuCO3 Cu(OH)2 CuSO4 CuO Cu(NO3)2 CuCO3 Cu(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Kerosene Coal Diesel Hydrogen Kerosene Coal Diesel Hydrogen ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS