1- The most electronegative element is
(i) Fluorine (ii) bromine (iii) Chlorine (iv) oxygen
2-The metallurgical process in which a metal is obtained in a fused state is called
(i) Calcinations (ii) froth floatation (iii) roasting (iv) smelting
3-Blood is Isotonic with
(i)Normal saline solution (ii) Saturated KCI solution (iii) Saturated solution of a 1: 1
mixture of NaCI and KCI (iv) Saturated NaCI solution
4-Nitrogen containing compound is
(i) Proteins (ii) Fats (iii) Lipid (iv) Carbohydrates
5-Table sugar is
(i) Glucose (ii) Fructose (iii) Sucrose (iv) Lactose