5 Questions
What is the purpose of the activity described in the text?
To determine the nature and identity of initial substances in chemical reactions
In which situation does a chemical change occur?
Cooking food
What happens when a magnesium ribbon is burnt as described in the text?
It forms ash
What do we observe during the burning of a magnesium ribbon?
Formation of a new substance
Why is it recommended to wear eye protection during the activity?
To shield eyes from bright light produced during burning
Test your knowledge of chemical reactions in daily life with this quiz. Explore how milk spoils at room temperature, iron rusts, grapes ferment, food cooks, digests in the body, and how we respire.
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