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Test on acids and alkalis run from the PowerPoint. This is a quick a-d option task with the answer after each question so good to do as a task where students can vote using cards or voting kits; if available.
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Test on acids and alkalis run from the PowerPoint. This is a quick a-d option task with the answer after each question so good to do as a task where students can vote using cards or voting kits; if available.
Nicely done