
Grade 12th pass7 grade science
Melting of wax is a _______ change.
A. Physical
B. Chemical
C. Both A and B
D. None of the above
Melting of wax is a _______ change.
A. Physical
B. Chemical
C. Both A and B
D. None of the above



Explain the term conduction, convection, and radiation with examples.
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