Chemistry The main active constituent of tea and coffee is aspirin nicotine chlorophyll caffeine aspirin nicotine chlorophyll caffeine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest form of iron? Steel Pig iron Cast iron Wrought iron Steel Pig iron Cast iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Thallium Tin Caesium Silicon Thallium Tin Caesium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to denature ethanol ? Propyl alcohol Methyl alcohol Phenol Methane Propyl alcohol Methyl alcohol Phenol Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following kinds of spectroscopy can provide information on the energy difference between the initial and final states rather the energy levels involved in the transition UV photoelectron spectroscopy UV absorption spectroscopy Rotational spectroscopy Infrared absorption spectroscopy UV photoelectron spectroscopy UV absorption spectroscopy Rotational spectroscopy Infrared absorption spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by : Increasing the concentration of a product Increasing the concentration of a reactant Increasing the temperature Adding a catalyst Increasing the concentration of a product Increasing the concentration of a reactant Increasing the temperature Adding a catalyst ANSWER DOWNLOAD EXAMIANS APP
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