What colour change is observed when few drops of alcoholic NaOH is ad – McqOptions

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1.	What colour change is observed when few drops of alcoholic NaOH is added to polyvinyl chloride solution?
A.	colourless to red
B.	colourless to yellow
C.	colourless to blue
D.	colourless to grey
Answer» C. colourless to blue

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