with the help of an activity demonstrate how we can we know that a chemical reaction has taken place??
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take a beaker with 5 ml of of dil h2so4
add few zinc granuels to it.
the zinc will react with h2so4 to form zins sulphate and the hydrogen gas is evolved
the evolution of gas confirms that a chemical reaction has taken place.
add few zinc granuels to it.
the zinc will react with h2so4 to form zins sulphate and the hydrogen gas is evolved
the evolution of gas confirms that a chemical reaction has taken place.
amitsetia1987:
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