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 The metal ion present in Vitamin B12 is Nickel Zinc Iron Cobalt Nickel Zinc Iron Cobalt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen in water is commonly found in the form of Nitrous oxide Nitric oxide Nitrate Nitrite Nitrous oxide Nitric oxide Nitrate Nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecule which has the highest percentage of ionic character among the following is HCI HF HBr HI HCI HF HBr HI ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a renewable source of energy ? Coal Uranium Geothermal powder Natural gas Coal Uranium Geothermal powder Natural gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Heat is absorbed Temperature decreases Heat is liberated No heat change takes place Heat is absorbed Temperature decreases Heat is liberated No heat change takes place ANSWER DOWNLOAD EXAMIANS APP
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