Chemistry Spontaneous change is one in there is: A lowering of free energy A lowering of entropy An increase in Internal energy Increase in free energy A lowering of free energy A lowering of entropy An increase in Internal energy Increase in free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of elements in the Periodic table 127 118 112 115 127 118 112 115 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element absorbed both in cation and anion form is Nitrogen Phosphorus Calcium Sulphur Nitrogen Phosphorus Calcium Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Paints Acid Plants Wood burning Domestic sewage Paints Acid Plants Wood burning Domestic sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Double nitrate Nitrates of aluminium Double sulphates Hydrated chlorides Double nitrate Nitrates of aluminium Double sulphates Hydrated chlorides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Indane gas is mixture of Butane and oxygen Butane and hydrogen Methane and oxygen Butane and propane Butane and oxygen Butane and hydrogen Methane and oxygen Butane and propane ANSWER DOWNLOAD EXAMIANS APP
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