Question

which among the following are physical or chemical change? 1. heating of an iron rod to red hot. 2. curdling of milk 3. sublimation of solid ammonium chloride​

Answer 1

Answer:

1 - physical change.

2 - chemical change

3 - sorry mate ye wala nahi pata ☹️☹️☹️☹️

Answer 2

Answer:

Explanation:

Hey mate!!!!!

Heres ur answer

1. Phy change

2. Chem change

3. Phy change

Hope this helps!!!!

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