Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to NO2 SO3 SO2 N2O NO2 SO3 SO2 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Potassium iodate Iodine Potassium iodide Sodium iodide Potassium iodate Iodine Potassium iodide Sodium iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer used in making plastic crockery is Melamine Bakelite Decron Nylon Melamine Bakelite Decron Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is a Nonconductor Insulator Conductor Semiconductor Nonconductor Insulator Conductor Semiconductor ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : 2-methyl heptane 2,2-dimethyl hexane N-heptane Iso-octane 2-methyl heptane 2,2-dimethyl hexane N-heptane Iso-octane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Electrolysis of water Decomposition of potassium permanganate Decomposition of manganese dioxide Fractional distillation of liquid air Electrolysis of water Decomposition of potassium permanganate Decomposition of manganese dioxide Fractional distillation of liquid air ANSWER DOWNLOAD EXAMIANS APP
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