Chemistry Silicon is used in All of these Semiconductors Transistors Solar energy devices All of these Semiconductors Transistors Solar energy devices ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major gaseous pollutant of the thermal power station is NH3 H2 S SO2 NO2 NH3 H2 S SO2 NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Fractional distillation of liquid air Decomposition of manganese dioxide Decomposition of potassium permanganate Electrolysis of water Fractional distillation of liquid air Decomposition of manganese dioxide Decomposition of potassium permanganate Electrolysis of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coloured discharge tubes for advertisement mainly contain Xenon Helium Neon Argon Xenon Helium Neon Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carborundum is another name of Silicon oxide Silicon carbide Calcium carbide Calcium oxide Silicon oxide Silicon carbide Calcium carbide Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is biodegradable ? Paper Aluminium D.T. Plastic Paper Aluminium D.T. Plastic ANSWER DOWNLOAD EXAMIANS APP
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