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Question 2 Classify each chemical reaction: reaction type of reaction (check all that apply) →+4NasO2g2Na2Os combination precipitation single replacement combustion double replacement acid-base decomposition →+NaOHaqHBrOaq+NaBrOaqH2Ol combination precipitation single replacement combustion double replacement acid-base decomposition →+CuSO4aqZnCrO4aq+ZnSO4aqCuCrO4s combination precipitation single replacement combustion double replacement acid-base decomposition →+KOHaqHClO4aq+KClO4aqH2Ol combination precipitation single replacement combustion double replacement acid-base decomposition

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4Na + O₂ → 2Na₂O                                Combination

NaOH + HBrO → NaBrO + H₂O             Acid-base

CuSO₄ + ZnCrO₄ → ZnSO₄ + CuCrO₄   Double replacement

KOH + HClO₄ → KClO₄ + H₂O               Acid-base reaction

Explanation:

1.            4Na + O₂ → 2Na₂O      is a combination reaction;  

  In a combination reaction, there is a formation of a single product from two or more reactants.

2.  NaOH + HBrO → NaBrO + H₂O            Acid-base reaction

    KOH + HClO₄ → KClO₄ + H₂O               Acid-base reaction

In an acid-base reaction, a base combines with an acid to produce salt and water. From the above, one can see how the acids combine with the base to yield a product of salt and water.

3.  CuSO₄ + ZnCrO₄ → ZnSO₄ + CuCrO₄   Double replacement

 This is a double replacement reaction in which there is an actual exchange of partners to form new compounds.

Learn more;

Combination reaction https://brainly.com/question/2364359

precipitation reaction https://brainly.com/question/5464325

neutralization reaction https://brainly.com/question/3243813

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