Question
Why does ethyne (acetylene) burn with a sooty flame?
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| Column I | Column II |
| (1) Cellulose | (a) P.V.C. pipes, bags |
| (2) R.N.A | (b) Blankets |
| (3) Polyacrylonitrile | (c) Wood |
| (4) Polyvinyl chloride | (d) Chromosomes of plants |