Chemistry Which of the following is colourless ? Oxygen Chlorine Sulphur Phosphorus Oxygen Chlorine Sulphur Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a donor atom? Phosphorus Aluminium Arsenic Antimony Phosphorus Aluminium Arsenic Antimony ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Fe Ag Hg Na Fe Ag Hg Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron donor An electron acceptor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction An electron donor An electron acceptor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Reduction in the cost of cement Increasing the strength of cement Rapid setting of cement Preventing rapid setting of cement Reduction in the cost of cement Increasing the strength of cement Rapid setting of cement Preventing rapid setting of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacture of iron from iron ore involves the process of Reduction Fractional distillation Oxidation Electrolysis Reduction Fractional distillation Oxidation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
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