Waec Chemistry 1996 Past Questions and Answers

Question 1:

• WAEC 1996

The existance of two or more forms of the same element in the same physical state is known as

A. Allotropy
B. Resonance
C. Hybridization
D. Isotopy
E. Isomerism

Question 2:

• WAEC 1996

The existance of two or more forms of the same element in the same physical state is known as

A. Allotropy
B. Resonance
C. Hybridization
D. Isotopy
E. Isomerism

Question 3:

• WAEC 1996

When an atom gains an electron, it becomes properties

A. Chemically inactive
B. Negatively charged
C. Oxidized
D. A cation
E. A complex ion

Question 4:

• WAEC 1996

The alkali metals exhibit similar chemical properties because

A. They occur in the combined state
B. They have the same number of vallence electrons
C. They form crystalline salts
D. Their salts are soluble in water
E. They are highly reactive

Question 5:

• WAEC 1996

What is the likely formula of compound formed between element M in group two and element X in group seven?

A. M₇X₂
B. M₂X
C. M₂X₇
D. MX₂
E. MX₆