Curriculum
Course: HIA International — Grade 7
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Curriculum

HIA International — Grade 7

Unit 1: Breathing and respiration

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Unit 2: Dissolving, solubility and chromatography

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Unit 3: Forces, motion and pressure

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Unit 4: Ecosystems

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Unit 5: Atoms, purity and climate

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Unit 6: Light and objects in space

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Unit 7: Nutrition, health and movement

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Unit 8: Energy changes and reactions of metals

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Unit 9: Magnetism and electromagnets

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Quiz

8.4 Reactions of metals with water — Visual & Photo Quiz

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  • Questions count: 1
  • Passing grade: B+
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1.
Look at the photograph showing a piece of sodium metal fizzing vigorously, melting into a silvery ball, and darting across water with a yellow flame. What gas is released?
Dr Dabour Hub Academy - figure 1
Hydrogen gas (H₂)
Oxygen gas (O₂)
Carbon dioxide gas (CO₂)
Chlorine gas (Cl₂)
Part of Unit 8: Energy changes and reactions of metals — see every lesson and quiz in this unit.
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