Question

Which of the following is not a chemical change?
A. Changing of milk into curd
B. Freezing of water
C. Burning of paper
D. Mixing of iron filling and sand
a B and D
b. A, B and D
Only B
d. All of these​

Answer 1

Choices a is not a chemical change.

Explanation:

• This is also a form for alteration which can be undone which requires atom reconfiguration.
• Its formation of 2 or even more different drugs causes acid hydrolysis.
• If there are chemical reactions, your ecosystem is modified.
• There could be mainly two types of physical and chemical changes.
• It changes which form a new substance from either a substance and it can be changed are based on chemical adjustments.

Learn more:

chemical change: brainly.in/question/6171251