Chemistry The element which is used for vulcanizing rubber Bromine Silicon Sulphur Phosphorus Bromine Silicon Sulphur Phosphorus 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 pink to blue-green From brown to blue-black From blue to pink From brown to orange-red From pink to blue-green From brown to blue-black From blue to pink From brown to orange-red ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Carbon dioxide Oxygen Nitrogen Hydrogen Carbon dioxide Oxygen Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful Solar ultraviolet radiation CO2 in the air Solar infrared radiation SO2 in the air Solar ultraviolet radiation CO2 in the air Solar infrared radiation SO2 in the air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of gas constant R in Ergs deg–1 mole–1 is 4.183 × 107 8.314 × 107 8.413 × 107 8.341 × 107 4.183 × 107 8.314 × 107 8.413 × 107 8.341 × 107 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Setting of plaster of paris involves Hydration to form other hydrates Dehydration process Reduction process Oxidation process Hydration to form other hydrates Dehydration process Reduction process Oxidation process ANSWER DOWNLOAD EXAMIANS APP
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