Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 A and b A and c B and c C and d A and b A and c B and c C and d ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as non-stick coating for cooking utensils? Teflon Styrofoam Polystyrene Perspex Teflon Styrofoam Polystyrene Perspex ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of carbon monoxide is Fuel combustion Transportation Industrial process Solid waste disposal Fuel combustion Transportation Industrial process Solid waste disposal ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Increases Decreases Remains unchanged Does not follow a definite pattern Increases Decreases Remains unchanged Does not follow a definite pattern ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rusting of iron takes place due to Exfoliation Carbonation Oxidation Corrosion Exfoliation Carbonation Oxidation Corrosion ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Sulphur dioxide Carbon dioxide Carbon monoxide Smoke Sulphur dioxide Carbon dioxide Carbon monoxide Smoke ANSWER DOWNLOAD EXAMIANS APP