Question

Heat can bring about chemical reactions and chemical reactions can produce heat. Is this also
true for light and electricity? Give an example to illustrate each case.
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Answer 1

Answer:

yes , its true

light reaction:

2AgCl -----> 2Ag + Cl₂ silver chloride decomposes in presence of light

light is released during burning of magnesium or other substances

electricity :

electrolysis of NaCl

electricity is produced in Daniel cell ( electrochemical cell)

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