Waec 2000 Chemistry Past Questions with Answers

Waec 2000 Chemistry Past Questions

Question 1:

WAEC 2000

The atoms of four elements are represented as ₂₀Q, ₁₆R, ₁₀S and ₈T Which of the elements would be unreactive?

A. Q
B. R
C. S
D. T

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Question 2:

WAEC 2000

The atoms of four elements are represented as ₂₀Q, ₁₆R, ₁₀S and ₈T Which of the elements would be unreactive?

A. Q
B. R
C. S
D. T

View Answer & Explanation

Question 3:

WAEC 2000

Chlorine atom forms CI by

A. Losing one electron
B. Sharing one electron
C. Donating lone pair of electrons
D. Gaining one electron

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Question 4:

WAEC 2000

An element Z has a combining power of 3. Which of the following formulae is correct of its compounds?

A. ZSO₃
B. Z₃CI₂
C. Z ₂O ₃
D. ZS₃

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Question 5:

WAEC 2000

Electrovalent compounds are characterized by

A. Solubility in ethanol
B. High molar mass
C. High melting point
D. Strong oxidizing ability

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Waec Chemistry 2000 Past Questions and Answers

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