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Water can be either a reactant, or a product. It really depends on the type of chemical equation. Here are examples of both water being on the reactant side, and the product side.

Reactants

2H2O ===> 2H2 + O2

HCl + H2O ===> Cl- + H3O+

Products

CH4 + 2O2 ===> CO2 + 2H2O

2H2O2 ===> 2H2O + O2

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Wiki User

13y ago
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Wiki User

13y ago

Depends entirely on the reaction. For hydrogen gas, in the electrolysis of water, a product. In the combustion of the Hindenburg, a reactant.

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Wiki User

12y ago

reactant-

Hydrogen and oxygen product-

Water

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Wiki User

11y ago

The Water is the Product. The Hydrogen and Oxygen are the Reactants.

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lenpollock

Lvl 15
1y ago

Hydrogen and oxygen are the reactants.

Water is the product.

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Wiki User

14y ago

its water because H20

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Q: When hydrogen and oxygen combine and form water is water is the product or reactant?
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Related questions

When hydrogen and oxygen combine to form water oxygen is?

When hydrogen and oxygen combine to form water, water is a product of the reaction.


What are the reactant and products of the reverse reaction?

the reactants are hydrogen and water, and the product is oxygen.


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When they combine they form a product


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Is hydrogen peroxide a reactant?

I think Hydrogen Peroxide is a reactant,because hydrogen and oxygen are reactants so hydrogen peroxide should be a reactant.


When hydrogen and oxygen combine to form water.whats the water?

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Two atoms of Hydrogen combine with one atom of Oxygen to form water. This combination is?

hydrogen + oxygen = HO, hydroxide: hydrogen + oxygen + oxygen = H20, water


What do you get when you combine hydrogen with oxygen?

When you combine one Oxygen and one Hydrogen you get Hydroxide. If you combine one Oxygen with two hydrogens you will end up with water.


What chemicals were the products in the reaction in producing of hydrogen and oxygen gases?

This question answers itself. The products of a reaction PRODUCING hydrogen and oxygen are, well, hydrogen and oxygen!If you are asking what hydrogen and oxygen are made FROM, than the REACTANT is water. If a voltage is applied to water, hydrogen and oxygen gas are made.If you are asking what the product of a reaction is when hydrogen and oxygen are the REACTANTS, then the answer is also water.See the Related Questions for more information to the left of this answer.


What elements combine with oxygen?

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What is the name of the compound oxygen and hydrogen can combine explosively to form?

The compound oxygen and hydrogen can combine explosively to form water.