Chemistry The metal that is usually extracted from sea water is Mg K Na Ca Mg K Na Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mineral containing both magnesium and calcium is calcite carnallite dolomite magnesite calcite carnallite dolomite magnesite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most dense liquid from the below Water None of these Gasolin Choloform Water None of these Gasolin Choloform ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not an addition polymer Polystyrene PVC Polythene Nylon Polystyrene PVC Polythene Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry In ice, the number of hydrogen bonds per water molecule is 2 8 1 4 2 8 1 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Supplying oxygen for people travelling in jets Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Increasing the average global temperature in recent years Supplying oxygen for people travelling in jets Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Increasing the average global temperature in recent years ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS