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 blue to pink From pink to blue-green From brown to orange-red From brown to blue-black From blue to pink From pink to blue-green ANSWER DOWNLOAD EXAMIANS APP
Chemistry Kinetics is the study of: The rate of chemical reaction The mechanisms and paths of the molecules take in joining from one reactant to products All of these are correct How fast the reactions go The rate of chemical reaction The mechanisms and paths of the molecules take in joining from one reactant to products All of these are correct How fast the reactions go ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by SO2 and NO2 SO2 and particulates NO2and particulates CO2and CFCs SO2 and NO2 SO2 and particulates NO2and particulates CO2and CFCs ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a Bakelite ? Solution Polymer Base Acid Solution Polymer Base Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Ionic hydrides Metallic hydrides Polynuclear hydrides Molecular hydrides Ionic hydrides Metallic hydrides Polynuclear hydrides Molecular hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which amidst the following is not a gem stone ? Topaz Cat's-eye Pearl Opal Topaz Cat's-eye Pearl Opal ANSWER DOWNLOAD EXAMIANS APP
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