chemical changes
Post on 21-Feb-2017
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What is chemical changes?
• What has happened to the metal?
How make yoghurt in home?
• Take 500 ml warm milk and add three tablespoons of plain active yoghurt. Mix well and pour into a thermos flask. Leave the thermos flask unopened for 12-18 hours. When you open it, the milk should have become yoghurt.
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