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3 April, 11:35

The following is an example of which type of chemical reaction? Na (s) + H2O (l) Imported Asset NaOH (aq) + H2 (g)

Single replacement

Decomposition

Double replacement

Combustion

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Answers (2)
  1. 3 April, 12:10
    0
    The answer to your question is Single replacement

    Explanation:

    Data

    Chemical reaction

    Na + H₂O ⇒ NaOH + H₂

    Single replacement is a chemical reaction in which a metal replaces the cation of a compound.

    Decomposition is a chemical reaction in which a compound forms 2 or more products.

    Double replacement in this chemical reaction two compounds react interchanging their cations and anions.

    Combustion in this chemical reaction the reactants must be a compound with carbon and the other oxygen and the products must be carbon dioxide and water.
  2. 3 April, 12:19
    0
    This reaction is a single replacement reaction.

    Explanation:

    Step 1: Data given

    A single-replacement reaction is a reaction in which one element replaces a similar element in a compound. The general form of a single-replacement (also called single-displacement) reaction is:

    A+BC→AC+B

    A decomposition reaction is a reaction in which a compound breaks down into two or more simpler substances. The general form of a decomposition reaction is:

    AB→A+B

    A double-replacement reaction is a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds. The general form of a double-replacement (also called double-displacement) reaction is:

    AB+CD→AD+BC

    A combustion is a high-temperature exothermic (heat releasing) redox (oxygen adding) reaction between a fuel and an oxidant, usually atmospheric oxygen.

    Whenever we complete a combustion reaction of a hydrocarbon (compound of C and H) we generally have the same products formed: CO2 and H2O.

    Na (s) + H2O (l) → NaOH (aq) + H2 (g)

    This reaction is not a decomposition because we don't break down a compound.

    This reaction is not a combustion because we don't oxidze a compound to form CO2 and H2O

    This reaction is a replacement reaction. But only a single replacement reaction because one element replaces a similar element in a compound
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