Question

1.A student poured 100 mL of
water in a bottle and added 40
mL vinegar to it. A balloon was
filled with 20 g baking soda and
was fixed at the mouth of the
bottle. Slowly the shape of the
balloon changed, as shown.
The student claims that a
chemical change happened
when the two substances were
mixed. Is the claim made by the
student correct? ​

Answer 1

Answer:

Yes

Explanation:

Because vinegar contains acetic acid and when it reacts with water and acid with water molecules releases heat and that heat reacts with baking soda ( sodium bicarbonate ) - ( NaHCO↓3) and it inflates .

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Answer 2

Answer:

yes

Explanation:

as a new substance was formed in the form of gas