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P1 Matter
Quick questions on Changes of state - OCR Gateway GCSE Physics A (P1)
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
Name the change of state when a gas turns directly into a solid. [1 mark]
What is q2?Show answer
Explain why the temperature stays constant while a substance is boiling. [2 marks]
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