Product of CaCO3+H2SO4

CaCO₃ (aq)  +  H₂SO₄ (aq) →  H₂CO₃(aq)  +  CaSO₄(s) ↓

Explanation:

Aqueous solutions of CaCO₃ and H₂SO₄ can be mixed to form, two products, the calcium sulfate and carbonic acid.

In order the find the products, we can dissociate the reactants:

CaCO₃ → Ca²⁺  +  CO₃⁻²

H₂SO₄ → 2H⁺  +  SO₄⁻²

So, the protons will be catch by the carbonate and the calcium will form a precipitate with the sulfate. As Ca is an element from group 2, remember that sulfates can make precipitate with these elements (Ca, Ba and Mg)

Ca²⁺  +  SO₄⁻²  → CaSO₄

2H⁺  +  CO₃⁻²  ⇄  H₂CO₃   (Carbonic acid is a weak one, so in the reaction we add two arrows, because it is an equilibrium acid/base)

We add the phases to the main reaction:

CaCO₃ (aq)  +  H₂SO₄ (aq) →  H₂CO₃(aq)  +  CaSO₄(s) ↓

the correct answer is answer a. a mixture

no other options make sense

hope this

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  - sprinkles

answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.