Chemistry The working of a dry cell is based on Decomposition reaction Spontaneous oxidation-reduction reaction Combination reaction Electrolysis Decomposition reaction Spontaneous oxidation-reduction reaction Combination reaction Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry 24 carat of diamond is equal to 200 g 95% mg 91% gold 200 mg 200 g 95% mg 91% gold 200 mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Sulphur Carbon Hydrogen Phosphorus Sulphur Carbon Hydrogen Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is 4 –4 8 Zero 4 –4 8 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Fractional crystallisation Fractional distillation Steam distillation Sublimation Fractional crystallisation Fractional distillation Steam distillation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Percolating filter Contact bed Intermittent sand filter Trickling filter Percolating filter Contact bed Intermittent sand filter Trickling filter ANSWER DOWNLOAD EXAMIANS APP
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