Chemistry Which one element has the lowest electronegativity value Francium Radium Chlorine Fluorine Francium Radium Chlorine Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Ultra pure carbon Beryllium Tantalum Silicon Ultra pure carbon Beryllium Tantalum Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Organic compounds are Ionic compounds Co-ordination compounds Interstitial compounds Covalent compounds Ionic compounds Co-ordination compounds Interstitial compounds Covalent compounds ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Lead Fluorine Aluminium Potassium Lead Fluorine Aluminium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Magnesium Calcium, Magnesium Sodium, Calcium Sodium, Potassium Sodium, Magnesium Calcium, Magnesium Sodium, Calcium Sodium, Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ammonial is a mixture of Aluminium powder and ammonium nitrate Aluminium powder and potassium nitrate Aluminium powder and ammonium chloride Aluminium powder and ammonium sulphate Aluminium powder and ammonium nitrate Aluminium powder and potassium nitrate Aluminium powder and ammonium chloride Aluminium powder and ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
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