Chemistry Helium is added to the oxygen supply of deep sea divers because it is Readily miscible with oxygen Lighter than nitrogen Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Readily miscible with oxygen Lighter than nitrogen Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry Epsom salt is used In making tooth paste As purgative In paper industry In softening water In making tooth paste As purgative In paper industry In softening water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Industrial smog formation Eutrophication in lakes Depletion of fossil fuel reserves Lowering of pH of soil Industrial smog formation Eutrophication in lakes Depletion of fossil fuel reserves Lowering of pH of soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 13 days 3 billion years 100 years 0.01 minute 13 days 3 billion years 100 years 0.01 minute ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who first published the periodic table Henry Moseley Julius Lothar Meyer Dmitri Mendeleev John Dalton Henry Moseley Julius Lothar Meyer Dmitri Mendeleev John Dalton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Magnesium Calcium Sodium Silicon Magnesium Calcium Sodium Silicon ANSWER DOWNLOAD EXAMIANS APP
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