Printable worksheet ยท 1 of 4
A label describes what changes - Paper 1
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
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Teacher-supplied WORD equation: sodium hydrogen carbonate -> sodium carbonate + carbon dioxide + water. Stated change: heating breaks one substance into simpler substances. Classify this evidence; word equations name substances but do not themselves give balanced molecule counts. These are paper examples only: do not heat, ignite or mix substances.
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