Question

Match the chemical reactions with their properties. Tiles neutralization combustion synthesis decomposition replacement Pairs The reaction has at least two reactants and one product. arrowBoth The reaction has one reactant and at least two products. arrowBoth Oxygen is one of the reactants, and a large amount of energy is released. arrowBoth One or more atoms replaces a part of a compound. arrowBoth The products are always salt and water.

Answer 1

The matched pairs are the following:

Neutralization --> products are always salt and water
Combustion --> Oxygen is one of the reactants, and a large amount of energy is released
Synthesis --> the reaction has at least two reactants and one product
Decomposition --> the reaction has one reactant and at least two products
Replacement --> one or more atoms replaces a part of a compound

Answer 2

The Combustion are the reaction of burning. A substrate react with oxygen and release high energy as heat.

Neutralization - products are always salt and water

Combustion -  Oxygen is one of the reactants, and a large amount of energy is released.

Synthesis -  the reaction has at least two reactants and one product.

Decomposition - the reaction has one reactant and at least two products

Replacement - one or more atoms replaces a part of a compound

Neutralization:

When an acid and base react, they neutalize each other and form water and salt.

$\bold {NaOH + HCl \rightarrow H_2O+ NaCl}$

Combustion:

These are the reaction of burning. A substrate react with oxygen and release high energy as heat.

Synthesis:

In this two reactants react to form one product.

Decomposition:

In this one reactant degrade to form two or more products.

Replacement:

In this type of reaction, an atom is replaced from the reactants by another atom.

Therefore, the Combustion are the reaction of burning. A substrate react with oxygen and release high energy as heat.

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