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Acids and Bases quick check

A quick check of 3 questions. After you submit, each question shows the right answer and why.

3 of 8 questions, Advanced level. Aimed at the Advanced level, your current depth. Questions you have not answered yet come first.

Show all 8 questions

ScientistQuestion 1 of 3

What volume of 0.2 M NaOH, in millilitres, exactly neutralises 100 mL of 0.1 M HCl? (HCl and NaOH react 1:1.)

AdvancedQuestion 2 of 3

In a 0.100 M solution of acetic acid, about 1.3% of the acid molecules are ionised. What does this tell you?

AdvancedQuestion 3 of 3

In NH₃ + H₂O ⇌ NH₄⁺ + OH⁻, identify the two conjugate acid–base pairs and explain water's role.