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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following contains high content of lead? High octane fuel Cooking gas Coal Low octane fuel High octane fuel Cooking gas Coal Low octane fuel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Zirconium Plutonium Uranium Thorium Zirconium Plutonium Uranium Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The tip of the match-stick contains Red phosphorus Phosphorus trichloride White phosphorus Phosphorus pentoxide Red phosphorus Phosphorus trichloride White phosphorus Phosphorus pentoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the inert gases can form compounds? Helium Xenon Argon Krypton Helium Xenon Argon Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Electrolysis Combination reaction Decomposition reaction Spontaneous oxidation-reduction reaction Electrolysis Combination reaction Decomposition reaction Spontaneous oxidation-reduction reaction ANSWER DOWNLOAD EXAMIANS APP
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