Asked by: Heba Colomes
science chemistry

What is combination reaction Class 10?

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Class 10 Chemistry Chemical ReactionsandEquations. Combination reaction.Combinationreaction. When two or more reactants undergoeschemicalreaction to form a single product, thereactions arecalled combination reactions i.e. A + B-->AB.


Accordingly, what is combination reaction explain with example?

The reactants, A and B, combine to form a newsingleproduct, AB, which is always a compound. An example ofacombination reaction is when hydrogen andchlorinereact to form hydrochloric acid: The subscripts inthechemical reaction in this image refer to the statesofmatter.

Likewise, what is displacement reaction with example? Displacement reaction is achemicalreaction in which a more reactive element displacesa lessreactive element from its compound. Both metals andnon-metals takepart in displacement reactions.Example :Reaction of iron nails with coppersulphatesolution.

Also to know, what do you mean by chemical combination?

A combination reaction, also known as asynthesisreaction in chemistry, is when two or moresubstances, orreactants, combine with each other to form a newproduct. Theproduct will always be a compound. There are threetypes ofcombination reactions: Combination oftwoelements.

What are the types of chemical reactions?

The more common types of chemical reactions areasfollows:

  • Combination.
  • Decomposition.
  • Single displacement.
  • Double displacement.
  • Combustion.
  • Redox.

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What type of reaction is aluminum and oxygen?

Reaction of aluminium withair
So, normally, aulumium metal does not reactwithair. If the oxide layer is damaged, the aluminium metalisexposed to attack. Aluminium will burn in oxygenwitha brilliant white flame to form the trioxide alumnium(III)oxide,Al2O3.

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What is dissociation reaction?

A dissociation reaction is achemicalreaction in which a compound breaks apart into twoor moreparts. The general formula for a dissociationreactionfollows the form: AB → A + B.

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What happens in displacement reaction?

Displacement reaction is achemicalreaction in which a more reactive element displacesa lessreactive element from its compound. Both metals andnon-metals takepart in displacement reactions. Example :Reaction ofiron nails with copper sulphatesolution.

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What makes a reaction exothermic?

An exothermic reaction is achemicalreaction that releases energy through light or heat.It isthe opposite of an endothermic reaction. Expressed inachemical equation: reactants → products +energy.

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What is metathesis reaction in chemistry?

A salt metathesis reaction, sometimes calledadouble replacement reaction, doubledisplacementreaction, is a chemical process involvingtheexchange of bonds between two non-reacting chemicalspecieswhich results in the creation of products with similar oridenticalbonding affiliations.

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What is difference between combination and decomposition reaction?

Combination reaction:-The reaction inwhichtwo or more elements or reactants react together toform asingle product with entirely different properties iscalledcombination reaction. Decompositionreaction:-Thereaction in which single element breaksdown to give two ormore products is called decompositionreaction.

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How do you identify a single replacement reaction?

A single-displacement reaction occurswhenan element replaces another element in a compound. A metalonlyreplaces a metal, and a nonmetal only replaces a nonmetal. Onlyamore reactive element can replace the other element inthecompound with which it reacts.

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How are single replacement reactions used in daily life?

Single replacement reactions, orsingledisplacement reactions, describe reactions inwhich amore active element replaces a less active element in acompound.Single replacement reactions produce a new compoundand anelement as products. All single replacement reactionsareoxidation-reduction (redox) reactions.

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What is law of chemical combination?

Laws Of Chemical Combination For ElementsAndCompounds
In simple terms, this law states that mattercanneither be created nor destroyed. In other words, the totalmass,that is, the sum of mass of reacting mixture and theproductsformed remains constant.

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What do you mean of chemistry?

Chemistry is the scientific study of thestructureof substances and of the way that they react with othersubstances.2. uncountable noun. The chemistry of anorganism or amaterial is the chemical substances that makeit up and thechemical reactions that go on insideit.

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4th May, 2020

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