Comprehension and additional task exercises pages 84 and 85 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for free from the website.
This exercise covers:
• Acids and alkalis as chemical opposite that can cancel out (neutralise)
• Acids and alkalis as chemicals that can damage skin and attack metals
• Common examples and uses of acids to include: HCl, H2SO4 , fizzy drinks, vinegar, lemon, limes, bee stings
• Common examples and uses of alkalis to include: NaOH, drain cleaner, bleach, washing powder, soap, indigestion tablets, wasp stings
• The pH scale and indicators
• Amazing WHAT? facts
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