Question

please tell me fast please
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Answer 1

Answer:

sorry this is not in my syllabus of class 8th

Answer 2

hey @sharmavardaaninja

ur answer is here

Explanation:

i)Sun dial cleaner - (a)window

ii)iron oxide change - (d)rust

iii)souring of milk time - (c)measuring

iv)magnesium hydroxide-(b)chemical

✡Note✡

what is physical change??

Physical change is a change which is temporary, reversible, no new substances are formed and and the mass of the substances doesn't change.

what is chemical change??

A chemical change is a change where new substances are formed , and the change is permanent ,the change is irreversible and energy is absorbeded or released.