Chemistry The lowest layer of earth's atmosphere is Troposphere Stratosphere Ionosphere Mesosphere Troposphere Stratosphere Ionosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry DDT and BHC may act as None of these Carcinogens Allergens Asthematic agents None of these Carcinogens Allergens Asthematic agents 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer used in making plastic crockery is Decron Nylon Bakelite Melamine Decron Nylon Bakelite Melamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Copper Brass Bronze Silver Copper Brass Bronze Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Potassium iodate Potassium iodide Iodine Sodium iodide Potassium iodate Potassium iodide Iodine Sodium iodide ANSWER DOWNLOAD EXAMIANS APP
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