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GCSE Combined Science · key term
An acid mixed with water so that its concentration is relatively low.
Used by OCR
Specification C4.1d · Chemistry Paper 2
Revise: Metal Reactivity and Positive IonsWhen a metal reacts with water or a dilute acid, its atoms can lose electrons. The number of protons stays the same, so the remaining particle has an overall positive charge: it is a positive ion.
Chemistry, Combined Science
An acid solution containing a relatively small amount of acid in a given volume of solution.
Do not assume that every metal reacts with cold water or dilute acid. The cold-water product rule applies to metals that react with cold water.
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A dilute acid contains relatively little acid in that volume; a concentrated acid contains relatively much more.
