Chemistry For a spontaneous chemical process, the free energy change is Depends on whether the reaction is exothermic or endothermic Negative Positive Zero Depends on whether the reaction is exothermic or endothermic Negative Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Mists Fumes Aerosols Smoke Mists Fumes Aerosols Smoke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which halide is used in making sensitive emulsion on photograhic film? Silver iodide Silver bromide Sodium chloride Silver chloride Silver iodide Silver bromide Sodium chloride Silver chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 3.2 8.3 5.6 6.3 3.2 8.3 5.6 6.3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 17 19 36 53 17 19 36 53 ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the constituents of tear gas is Ethane Chloropicrin Ethanol Ether Ethane Chloropicrin Ethanol Ether ANSWER DOWNLOAD EXAMIANS APP