Chemistry Sour milk contains Tartaric acid Acetic acid Lactic acid Citric acid Tartaric acid Acetic acid Lactic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Are lighter Experience collision less frequently Need less energy to move them Have negative charge Are lighter Experience collision less frequently Need less energy to move them Have negative charge 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 orange-red From brown to blue-black From blue to pink From pink to blue-green From brown to orange-red From brown to blue-black From blue to pink ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular mass of a gas is Equal to its vapour pressure Not related to its vapour pressure Half its vapour pressure Twice its vapour pressure Equal to its vapour pressure Not related to its vapour pressure Half its vapour pressure Twice its vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Coke Deposit of animal waste Compressed and hardened biomass Crude oil Coke Deposit of animal waste Compressed and hardened biomass Crude oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Hydrated chlorides Nitrates of aluminium Double sulphates Double nitrate Hydrated chlorides Nitrates of aluminium Double sulphates Double nitrate ANSWER DOWNLOAD EXAMIANS APP
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