Hmmm well <span>much of earth's carbon is stored in sedimentary rocks.
-i hope this helps :3</span>
Answer:
Water and Salt are the products of simplest types of acid-base reactions.
Examples:
Base Acid Salt Water
NaOH + HCl → NaCl + H₂O
2 NaOH + H₂SO₄ → Na₂SO₄ + 2 H₂O
NaOH + CH₃CO₂H → CH₃COONa + H₂O
In all theses simple reactions the base (i.e. OH⁻) abstracts proton from the acid and forming a conjugate base with negative charge. Thus the negative charged conjugate base forms a salt with positively charged sodium ions.
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The phase change is sublimation, so choice A.
The reaction CO₂(g) → C(s) +O₂(g) is a decomposition reaction is true
Explanation
A Decomposition reaction is a reaction in which involve breaking down a compound into two or more simpler substances.
The reaction above is a decomposition reaction since CO₂ molecule is broken down into C (an element) and O₂ (a molecule).