30 POINTS !!!! jekyll and hyde :identify the methods please

"an ivory faced and silvery-haired old woman opened the door. she had an evil face, smoothed by hypocrisy ;but her manners were excellent"

please identify the methods and analyse them as much as you can and the effect of the methods on the reader and/or why the writer might have used these specific techniques.
thanks you can only do a few if you want.
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