Short answerEasy1 mark
10(iv)
Raghav has been given a project by his teacher in which he has to write about the by-products of an industry that is used for preparing shoe polish, carbon paper and cardboard.
Which industry will he be writing about?
Topic: Industrial by-products
Previous-year question practice database
Answer
Exam answer
The Petroleum industry.
Explanation
Shoe polish and carbon paper are made from paraffin wax, and cardboard uses bitumen — both by-products of petroleum refining.
More from Manufacturing Industries: Mineral-based
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