55 questions · 2 years · 2000–2011
Full WAEC SSCE past questions with correct answers. Practice with timed simulations, track your scores, and top the leaderboard.
Ifanatom of an element is represented as an Y, this shows that it has
The atomand.ion of chlorine have the same
Element X has 2 electrons in its outer shell while element Y has 6. The compound formed by X and Y has the formula
Hydrogen is evolved when dilute hydrochloric acid reacts with
Which of the following properties distinguishes concentrated HSO, from concentrated HNO; ?
Consider the general equation below. heat XC03(s) ——— X,0(g) + COr(g The reaction will not occur when X is
Which of the following can be deduced from the energy profile diagram below ? Energy A+B AB Reactron pathway ; The reaction between A and B
The reaction represented by the equation below occurred in a sealed glass tube. N3O4¢e) a 2NOx) = AH = +xkJmor! coo! What happens when the temperature is reduced at equilibrium ?
What are the values of x and y in the following equation ? 2MnO, + xHt + yC,0,2> ———» 2Mn2+ + 8H20 + 10CO, x y
Metal P will be above metal Q in the activity series if P
Create a free account to practice more questions, track your progress, and top the leaderboard.