Answer: d)
and
Explanation:
A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.
A neutralization reaction is a double displacement reaction in which an acid reacts with base to produce salt and water. The
ions from water reacts with
ions from base to give water.

Thus products that will be released when the antacid is mixed with the hydrochloric acid in the stomach are
and
Answer:
The reaction will occur naturally.
the reaction is spontaneous I think
Explanation:
I’d say A. They are theoretical in the fact that they have not been observed directly, but have been confirmed to exist through experimentation.
Answer:
False
Explanation:
sea floor spreading is not consistent at all mid ocean ridges.