Question

) Which of the following changes takes place when some other
substance is mixed with the given substance ?
A. Heating of iron
B. The grinding of wheat into flour
C. Curdling of milk
D. Folding a paper to make a paper boat
​

Answer 1

Answer:

b and d

are the right options

Answer 2

Answer:

D. Folding a paper to make a paper boat

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