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 Atomic number is the number equal to Protons None of these Electrons Neutrons Protons None of these Electrons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following will replace hydrogen from acids to form salts ? S P Ag Na S P Ag Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which halide is used in making sensitive emulsion on photograhic film? Silver bromide Sodium chloride Silver iodide Silver chloride Silver bromide Sodium chloride Silver iodide Silver chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Methane Carbon monoxide Nitrous oxide and sulphur dioxide Carbon dioxide Methane Carbon monoxide Nitrous oxide and sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a metallic ore ? Mica Galena Quartz Feldspar Mica Galena Quartz Feldspar ANSWER DOWNLOAD EXAMIANS APP
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