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POSITIVE & NEGATIVE ION TESTS Quick Fire Questions - GCSE Science Revision - SCIENCE WITH HAZEL

2,173 views · Published 30 April 2018 · 4:54 · Indexed 21 October 2026

Channel: Science with Hazel · 2018 · Education

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In this GCSE Chemistry revision video, Hazel asks you quick fire questions on the topic of the chemical tests, including the tests for hydrogen, oxygen, carbon dioxide, chlorine and ammonia.

In the latter part of the video, Hazel asks questions about flame tests and the tests for halides, sulfates and carbonates.

These videos are designed to help with your GCSE and IGCSE science revision.

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Hazel completed her undergraduate degree at St John's College, the University of Cambridge. She then did a PGCE (Post-Graduate Certificate of Education) before qualifying as a science teacher. She now works full time as a professional tutor. 

Material required for Grade 9 of the new (I)GCSE syllabus (A* in the current GCSE syllabus) is included.

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