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Write chemical equation of double displacement reaction.
7 Write law's of reflection.
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1=
A double displacement reaction is a type of chemical reaction where two compounds react, and positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products. For example,AB + CD → AD + CB.
2=a)The incident ray, the reflected ray and the normal to the surface of the mirror all lie in the same plane.
b)
The angle of incidence is equal to the angle of reflection.
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