Define combination reaction?

Question

Answer

A reaction in which a single product is formed from two or more reactants is known as combination reaction
OR
When two or more substances combine to form a single product is combination reaction...
ÉX:C+O2=CO2...

Answer

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When two or more reactants undergoes chemical reaction to form a single product, the reactions are called combination reactions i.e. A + B --> AB.

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Answer

A combination reaction is a reaction where two or more elements or compounds combine to form a single compound. Such reactions are represented by equations of the following form: X + Y → XY. The combination of two or more elements to form one compound is called combination reaction.

Answer

Combination reaction is a type of reaction in which two or more reactants join together to form a single product.
Example ---> 2Mg + O2 -----> 2MgO.
Here the reactants are Magnesium (Mg) and oxygen (O2).

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Combination reaction is a reaction where two or more elements or compounds combine to form a single compound.

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A combination reaction is a reaction where two or more elements or compounds (reactants) combine to form a single compound (product). Ba+F2⟶BaF2. A decomposition reaction is a type of chemical reaction in which a single compound breaks down into two or more elements or new compounds.

Answer

Combination reaction. When two or more reactants undergoes chemicalreaction to form a single product, thereactions are called combination reactions i.e. A + B -- AB.

Answer

When two reactants produce only one substance,called product are known as combination reaction.
for example=H^2+O^2=H^2O

Answer

Combination Reaction:
Combination reactions, also known as synthesis reactions, are chemical reactions in which two or more reactants combine to form a single product. These reactions are characterized by the fact that the number of reactants decreases, while the number of products increases.

Key Points:
- In a combination reaction, two or more substances react to form a single compound.
- The general form of a combination reaction can be represented as: A + B → AB.
- These reactions are often exothermic, meaning they release energy in the form of heat or light.
- Combination reactions are commonly observed in nature, such as the formation of water from hydrogen and oxygen molecules.
- They are also used in various industrial processes, such as the synthesis of ammonia from nitrogen and hydrogen.

Example:
One common example of a combination reaction is the formation of rust. When iron reacts with oxygen in the presence of water, it forms iron oxide (rust). This reaction can be represented as:
4Fe + 3O2 + 6H2O → 4Fe(OH)3
In this reaction, iron (Fe) and oxygen (O2) combine with water (H2O) to form iron hydroxide (Fe(OH)3), which then oxidizes to form rust.
Overall, combination reactions play a crucial role in chemistry by allowing the formation of new compounds through the combination of different elements or compounds.

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