Activity observation:
a) place a piece of candle in water
b)Mix chalk powder in water
(Note : Write a activity process as you write in your notebook)
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answer of this question is b
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Point out the difference between 12 gram of carbon and 12 u of carbonExplanation: Indicate with the of a diagram the variation of ph with change in concentration of h+ and oh-ion showing 1- increase of acidic and basic nature 2-increase and decrease of h+ ion concentration
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