NCERT Exemplar Problems Class 8 Science Combustion and Flame
NCERT Exemplar Problems Class 8 Science Combustion and Flame
NCERT Exemplar Problems Class 8 Science Chapter 6 Combustion and Flame
Multiple Choice Questions
Question. 1 A substance which reacts with oxygen giving heat is called a combustible substance. Which one of the following is a combustible substance? (a) Iron nail (b) Glass (c) Stone piece (d) Wood Answer. (d) Wood is a combustible substance. It is a solid fuel and produces smoke during combustion.
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