Question

Which of the following does not result in a chemical reaction?
A) Adding sulphuric acid to magnesium.
B) Adding sulphur and iron fillings.
C) Adding vinegar to sodium carbonate.
D) Adding yeast to dough to bake a bread.

GOOD LUCK ‍

Answer 1

Answer:

option d is correct answer bro

Answer 2

Answer:

A) h2so4 + mg= mgso4 + he

B)S + Fe= Fe2s

C) ch3cooh(acetic acid/vinegar)+na2co3= ch3coona + h2co3

D) it doesn't results in a chemical reaction technically