Chemistry The gas causing acid rain in an industrial area is Carbon monoxide Carbon dioxide Sulphur dioxide Methane Carbon monoxide Carbon dioxide Sulphur dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 B and c A and b A and c C and d B and c A and b A and c C and d ANSWER DOWNLOAD EXAMIANS APP
Chemistry The apparatus used to test acidity of aqueous solution is Ammeter Acidmeter Hygrometer PH meter Ammeter Acidmeter Hygrometer PH meter ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From brown to orange-red From brown to blue-black From pink to blue-green From blue to pink From brown to orange-red From brown to blue-black From pink to blue-green From blue to pink ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in dating archaeological findings ? 13H 818O 614C 92235U 13H 818O 614C 92235U ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a Compound Homogeneous mixture Heterogeneous mixture Element Compound Homogeneous mixture Heterogeneous mixture Element ANSWER DOWNLOAD EXAMIANS APP
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