Chemistry Which one element has the lowest electronegativity value Radium Francium Chlorine Fluorine Radium Francium Chlorine Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Silicon Phosphorous Potassium Nitrogen Silicon Phosphorous Potassium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Cement Paint Gun powder Glass Cement Paint Gun powder Glass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a preservative to protect processed food? BHT Sodium sulphate Saccharin Sodium metabisulphite BHT Sodium sulphate Saccharin Sodium metabisulphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of O 2 layer O3 layer SO2 layer CO2 layer O 2 layer O3 layer SO2 layer CO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Sulphur Phosphorous Carbon Bromine Sulphur Phosphorous Carbon Bromine ANSWER DOWNLOAD EXAMIANS APP
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