In soil, the process of nutrient cycling and decomposition is primarily regulated by __________, whose activity is heavily dependent on maintaining a near-neutral pH.

A student tests an unknown solution and finds that it turns universal indicator blue and red litmus paper blue. Which of the following best describes the solution?

In the context of ocean acidification, when calcium carbonate ( $\mathrm{CaCO}_3$ ) reacts with excess hydrogen ions, what are the primary products formed?

MYP MYP Chemistry Topic Neutral Solutions Questionbank

Practice MYP MYP Chemistry Topic Neutral Solutions with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for Neutral Solutions and mirrors Paper 1, 2 style where relevant.

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Multiplication

Subtraction

Division

Addition

spectator ions

hydrogencarbonates

limestone

microbes

The solution is acidic

The solution is pure water

The solution is basic

The solution is neutral

$\mathrm{CaO}(\mathrm{s})$ and $\mathrm{H}_2 \mathrm{O}(\mathrm{l})$

$\mathrm{Ca}^{2+}(\mathrm{aq})$ and $\mathrm{HCO}_3^{-}(\mathrm{aq})$

$\mathrm{H}_2 \mathrm{CO}_3(\mathrm{aq})$ and $\mathrm{Ca}^{2+}(\mathrm{aq})$

$\mathrm{Ca}(\mathrm{OH})_2(\mathrm{aq})$ and $\mathrm{CO}_2(\mathrm{g})$