Question

What kind of reaction is this?
H₂SO4 + Ca -> CaSO4 + H₂
H2
O Double Replacement
O Decomposition
O Single Replacement
O Synthesis
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Answer 1

The reaction H₂SO₄ + Ca ⇒ CaSO₄ + H₂ is a Single Replacement reaction because Ca replaces H in H₂SO₄.

What is a chemical reaction?

It is a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.

Let's consider the following reaction.

H₂SO₄ + Ca ⇒ CaSO₄ + H₂

What kind of reaction is this?

• Double Replacement. No. In double replacement reactions both compounds exchange anions and cations.
• Decomposition. No. In decompositions, a big compound decomposes into smaller ones.
• Single Replacement. Yes. one element (Ca) replaces another element (H) in its compound.
• Synthesis. No. In synthesis, 2 or more substances combine to form a bigger one.

The reaction H₂SO₄ + Ca ⇒ CaSO₄ + H₂ is a Single Replacement reaction because Ca replaces H in H₂SO₄.

Learn more about Single Replacement here: https://brainly.com/question/2057969

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