Chemistry Which one of the following elements is used in the manufacture of safety matches? Sodium Graphite Silicon Phosphorus Sodium Graphite Silicon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal compound commonly found in Sindhoor or Kumkum is based on Zinc Lead Copper Tin Zinc Lead Copper Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mineral containing both magnesium and calcium is calcite carnallite dolomite magnesite calcite carnallite dolomite magnesite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not coal variety? Peat Dolomite Lignite Bituminous Peat Dolomite Lignite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is used for making vinegar. Oxalic acid Malic acid Acetic acid Tartaric acid Oxalic acid Malic acid Acetic acid Tartaric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Hydrogen Butane Ethanol Methane Hydrogen Butane Ethanol Methane ANSWER DOWNLOAD EXAMIANS APP