PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoGive an example of a chemical reaction for each of the following situations:
(a). A change in colour is observed.
(b). A gas is evolved.
(c). Sound is produced.
(a). A change in colour is observed.
(b). A gas is evolved.
(c). Sound is produced.
(a). Chemical reaction between iron metal and copper sulphate solution. In this reaction, the copper sulphate solution's colour changes to light due to the formation of iron sulphate.
Copper sulphate + Iron ⟶ Iron sulphate + Copper
(b). A chemical reaction occurs when and baking soda mix together, resulting in the formation of gas bubbles along with other materials.
(c). The explosion of fireworks releases , light, sound, and unpleasant smells. When a firework explodes, something changes.
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