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The Reaction of Iron Nail with Copper Sulphate Solution is ......................... Reaction. - Science and Technology 1

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प्रश्न

The reaction of iron nail with copper sulphate solution is ______ reaction.

विकल्प

  • combination

  • decomposition

  • displacement

  • double displacement

MCQ
रिक्त स्थान भरें
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उत्तर

The reaction of iron nail with copper sulphate solution is displacement reaction.

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2018-2019 (March) Set 1

संबंधित प्रश्न

Complete the following statement.

The chemical change involving iron and hydrochloric acid illustrates a _________________ reaction.


Complete the following statement.

In the type of reaction called_______________, two compounds exchange their positive and negative radicals.


Decomposition brought about by heat is known as thermal decomposition. What is the difference between thermal dissociation and thermal decomposition?


State the type of reactions for the following represent and balance the ones that are not balanced.

Fe + CuSO4→ FeSO4 + Cu


State the type of reactions for the following represent and balance the ones that are not balanced.

PbO2 + SO2→ PbSO4


State the type of reactions for the following represent and balance the ones that are not balanced.

2KClO3→ 2KCl + 3O2


State the type of reactions for the following represent and balance the ones that are not balanced.

2H2O2→ 2H2O + O2


State the type of reactions for the following represent and balance the ones that are not balanced.

CuO+H2→ Cu+ H2


State the type of reactions for the following represent and balance the ones that are not balanced.

PbO + 2HNO3→ Pb(NO3) + 2H2


State the type of reactions for the following represent and balance the ones that are not balanced.

AgNO3 + NaCl → AgCl + NaNO3


What is a double displacement reaction?


Decomposition reactions can occur by electricity
Give balanced reactions.


State which of the substance given below evolve oxygen gas on thermal decomposition.

Washing soda


State which of the substance given below evolve oxygen gas on thermal decomposition.

Mercury [II] oxide


The reaction can be classified as:

State which of the following type, take place in the reaction is given below.

\[\ce{Cl2 + 2Kl->2KCl + l2}\]


The reaction can be classified as:

State which of the following type, take place in the reaction is given below.

\[\ce{4HNO3->4NO2 + 2H2O + O2}\]


Define the following type of chemical change or reaction with a suitable example.

Direct combination reaction or synthesis


Define the following type of chemical change or reaction with a suitable example.

Displacement reaction or substitution reaction


Define the following type of chemical change or reaction with a suitable example.

Double decomposition reaction


Give a balanced equation for a direct combination reaction involving:

Two elements – one of which is a neutral gas and the other a yellow non-metal


Give a balanced equation for a direct combination reaction involving:

Two compounds – resulting in the formation of a weak acid


Give a balanced equation for the following reaction of synthesis involving the formation of:

An alkali – from a basic oxide – sodium oxide


Convert hydrogen to hydrogen chloride by a direct combination reaction.


Give a balanced equation for thermal decomposition of lead carbonate


Give a balanced equation for thermal decomposition of calcium hydroxide


Name a metallic oxide which on thermal decomposition is reduced to metal.


Explain the term double decomposition precipitation reaction.


Give a balanced equation for the preparation of two different insoluble lead salts from their salt solutions by double decomposition precipitation.


State the double decomposition – neutralization reaction with a suitable representation.


Convert a soluble base to their respective soluble salts by neutralization reaction.


Complete the statement by filling in the blank with the correct word:

The neutral gas evolved when lead nitrate undergoes thermal decomposition is _________.


Select the correct answer from the options given below:

State the gaseous product formed, when

A metallic nitrate undergoes thermal decomposition giving a coloured gas.


Give a balanced equation for the following type of reaction:

A thermal decomposition reaction of a salt – which results in the formation of nitrogen gas.


Give a balanced equation for the following type of reaction:

A decomposition reaction of a salt which leaves behind a silvery metal.


Differentiate between the following:

Synthesis reaction and a substitution reaction.


Differentiate between the following:

Decomposition reaction and a double decomposition reaction.


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