Waec 2015 Chemistry Past Questions with Answers

Waec 2015 Chemistry Past Questions

Question 6:

WAEC 2015

The shape of a molecule of water is _______?

A. Non-linear
B. Octahedral
C. Pyramidal
D. Tetrahedral

Question 7:

WAEC 2015

A metallic ion Z²⁺ with an inert gas structure contains 18 electrons. How many protons are contained in this ion?

A. 20
B. 18
C. 16
D. 2

View Answer & Explanation

Question 8:

WAEC 2015

Which of the following pairs of elements forms amphoteric oxides?

A. Be and Mg
B. Na and K
C. B and Al
D. Si and Pb

View Answer & Explanation

Question 9:

WAEC 2015

Which of the following pairs of compounds belongs to the same homologous series?

A. C₃H₈ and C₃H₆
B. C₄H₁₀ and C₅H₁₀
C. C₂H₄ and C₄H₁₀
D. C₂H₆ and C₄H₁₀

View Answer & Explanation

Question 10:

WAEC 2015

The following transition metal ions would be coloured in aqueous solution except________?

A. Cr³⁺
B. Fe³⁺
C. Mn³⁺
D. Sc³⁺

View Answer & Explanation

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Waec Chemistry 2015 Past Questions and Answers

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