Chemistry PH value between 6.5-7.5 makes the soil Basic Acidic None of these Neutral Basic Acidic None of these Neutral ANSWER DOWNLOAD EXAMIANS APP
Chemistry By-product obtained by soap industry is Caustic soda Caustic potash Glycerol Naphthalene Caustic soda Caustic potash Glycerol Naphthalene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: A lowering of entropy Increase in free energy An increase in Internal energy A lowering of free energy A lowering of entropy Increase in free energy An increase in Internal energy A lowering of free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Paint Cement Gun powder Glass Paint Cement Gun powder Glass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Insecticides Sewage Tobacco Leaded gasoline Insecticides Sewage Tobacco Leaded gasoline ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The combination of oxygen molecules The action of nitrogen on oxygen in atmosphere The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The combination of oxygen molecules The action of nitrogen on oxygen in atmosphere The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure ANSWER DOWNLOAD EXAMIANS APP
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