Curriculum
Course: Alhussan Chemistry — Stage 7
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Curriculum

Alhussan Chemistry — Stage 7

Chapter 1: The Particle Model and States of Matter

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Chapter 2: Elements, Compounds and Mixtures

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Chapter 3: Metals and Non-Metals

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Chapter 4: Chemical Reactions 1

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Chapter 5: Acids and Alkalis

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Chapter 6: The Earth and Plate Tectonics

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Quiz

5.1 Acids and alkalis — Visual & Photo Quiz

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  • Questions count: 1
  • Passing grade: B+
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1.
Look at the photograph of common household substances: lemons (citric acid), vinegar (ethanoic acid), soap, and oven cleaner. What taste and feel are characteristic of weak acids versus alkalis?
Dr Dabour Hub Academy - figure 1
Acids taste sour (like lemons), whereas alkalis feel soapy/slippery on skin
Acids feel slippery while alkalis taste sour
Both acids and alkalis are completely sweet and edible
Acids are always solids while alkalis are always gases
Part of Chapter 5: Acids and Alkalis — see every lesson and quiz in this unit.
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