E-LEARNING IN SCIENCE FOR GRADE 5 PUPILS

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📝 Quiz Examination

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📋 Total Questions: 10 ✅ Answered: 0
Question 3 of 10 (0 answered)
3 3. What causes oxidation?
A. The reaction of iron with water.
B. The reaction of iron with nitrogen.
C. The reaction of iron with oxygen.
D. The reaction of iron with carbon dioxide.