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 blue to pink From brown to blue-black From brown to orange-red From pink to blue-green From blue to pink From brown to blue-black ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Carbondioxide Nitrogen Oxygen Sulphurdioxide Carbondioxide Nitrogen Oxygen Sulphurdioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The noble gas used in radiotherapy is Xenon Argon Neon Radon Xenon Argon Neon Radon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Helium Sodium Hydrogen Lithium Helium Sodium Hydrogen Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most malleable metal is platinum gold iron silver platinum gold iron silver ANSWER DOWNLOAD EXAMIANS APP
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