# Describe what is observed when dilute hydrochloric acid is added to sodium carbonate, and state two other types of substance that react with acids in a similar way to sodium carbonate.

> Cambridge International IGCSE Chemistry (0620) — 7.1 The characteristic properties of acids and bases · Describe · 4 marks

## Mark scheme (4 marks)

1. Effervescence / bubbles / fizzing is observed
2. Carbon dioxide gas is produced
3. Metal oxides (or metal hydroxides) also react with acids
4. Metals also react with acids

## Key terms

- [acid](https://www.gradenine.co.uk/glossary/acid)
- [carbonate](https://www.gradenine.co.uk/glossary/carbonate)

## Related

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Source: [GradeNine](https://www.gradenine.co.uk/q/describe-what-is-observed-when-dilute-0a12f037) · Published by Druglandscape Ltd.