Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Butane Propane Ethane Methane Butane Propane Ethane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The laws of electrolysis are given by Ostwald Arrhenius Faraday Lewis Ostwald Arrhenius Faraday Lewis 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 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 From brown to orange-red From pink to blue-green ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest form of iron? Pig iron Wrought iron Cast iron Steel Pig iron Wrought iron Cast iron Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Sulphuric acid Ozone Carbon monoxide Nitric acid Sulphuric acid Ozone Carbon monoxide Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Aluminium Beryllium Magnesium Potassium Aluminium Beryllium Magnesium Potassium ANSWER DOWNLOAD EXAMIANS APP
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