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Chemistry — Second Secondary

Chemistry — Second Secondary

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Chemistry — Second Secondary 2026/2027

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Quiz

Question bank: Chapter 1 — Chemical Calculation

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1.
The molarity of a solution containing 0.5 mol of solute in 250 mL is
0.5 M
1 M
2 M
4 M
2.
The concentration of chloride ions in 0.1 M MgCl₂ solution is
0.05 M
0.1 M
0.2 M
0.3 M
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