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 blue to pink From pink to blue-green From brown to blue-black From brown to orange-red From blue to pink From pink to blue-green From brown to blue-black ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of quartz is Calcium phosphate Calcium oxide Sodium phosphate Sodium silicate Calcium phosphate Calcium oxide Sodium phosphate Sodium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as an anti-freeze for the automobile engines ? Methanol Ethylene glycol Ethanol Propyl alcohol Methanol Ethylene glycol Ethanol Propyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Inert gases are Chemically very active Not stable Miscible with water Chemically unreactive Chemically very active Not stable Miscible with water Chemically unreactive ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Remains same Cannot be predicted Increases Decreases Remains same Cannot be predicted Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HF HCl H2SO4 HNO3 HF HCl H2SO4 HNO3 ANSWER DOWNLOAD EXAMIANS APP
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