Chemistry Which one of the following elements is used in the manufacture of safety matches? Phosphorus Graphite Sodium Silicon Phosphorus Graphite Sodium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particles which are assumed to hold the nucleons together are positrons mesons neutrons electrons positrons mesons neutrons electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Freon' used as refrigerants is chemically Fluorinated hydrocarbon Fluorinated aromatic compound Chlorinated hydrocarbon Chlorofluoro hydrocarbon Fluorinated hydrocarbon Fluorinated aromatic compound Chlorinated hydrocarbon Chlorofluoro hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main nitrogenous waste in humans ? Urea Ammonium Nitrate Ammonia Uric Acid Urea Ammonium Nitrate Ammonia Uric Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is usually made by alloying the steel with Copper and nickel Chromium and nickel Copper and chromium Manganese and copper Copper and nickel Chromium and nickel Copper and chromium Manganese and copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Percolating filter Trickling filter Contact bed Intermittent sand filter Percolating filter Trickling filter Contact bed Intermittent sand filter ANSWER DOWNLOAD EXAMIANS APP
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