PDF chapter test TRY NOW
Explain any three conditions that is required for a chemical reaction to take place. Give example.
: For a chemical reaction to occur, the reactants should be brought in close or physical contact, i.e., mixed.
\(Sodium + Water \xrightarrow[]{} Sodium hydroxide + Water\)
: Some substances react with each other only when they are mixed in the solution form, e.g.,
\(Silver nitrate (aq) + Sodium chloride (aq) \xrightarrow[]{} Silver nitrate (ppt) + Sodium nitrate (aq)\)
: Some reactants require to be heated to undergo a chemical change, e.g.,
\(Pottassium chlorate \xrightarrow[]{Heat} Pottassium chloride + Oxygen\)
: Some reactions take place in the .
\(Carbon dioxide + Water \xrightarrow[Sunlight]{Chlorophyll} Glucose + Oxygen\)
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