Chemistry Quartz is a crystalline form of Limestone Silica Glass Alumina Limestone Silica Glass Alumina ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Smoke Fumes Aerosols Mists Smoke Fumes Aerosols Mists 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 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 What is the covalency of nitrogen in ammonia molecule 4 2 5 3 4 2 5 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Magnetite Pyrolusite Galena Siderite Magnetite Pyrolusite Galena Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The influence of temperature on reaction rate is predicted by Lewis equation Van der Waals equation Arrhenius equation Kirchhoff's equation Lewis equation Van der Waals equation Arrhenius equation Kirchhoff's equation ANSWER DOWNLOAD EXAMIANS APP
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