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Science

Science · Quick practice · answer shown after each question

Elements, compounds and mixtures

Question 1 of 10

Question 1 of 10

Which statement about compounds is true?

Question 2 of 10

Question 2 of 10

The chemical formula of carbon dioxide is

Question 3 of 10

Question 3 of 10

The chemical symbol for sodium is

Question 4 of 10

Question 4 of 10

Explain the terms solute, solvent and solution using sugar dissolved in tea.

Question 5 of 10

Question 5 of 10

State three properties of metals and three of non-metals.

Question 6 of 10

Question 6 of 10

Brass is a mixture of

Question 7 of 10

Question 7 of 10

Distinguish between elements, compounds and mixtures, giving two examples of each.

Question 8 of 10

Question 8 of 10

Common salt is the compound

Question 9 of 10

Question 9 of 10

The chemical symbol for calcium is ___.

Question 10 of 10

Question 10 of 10

Which of these is a compound?

Questions written by OtisamLMS in the style of the BECE. They are not WAEC past questions.