मराठी
महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

Choose the correct option from the bracket and explain the statement giving a reason. Addition of an aqueous solution of ZnSO4 to an aqueous solution of BaCl2 is an example of ______ reaction.

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प्रश्न

Choose the correct option from the bracket and explain the statement giving a reason.

(Oxidation, displacement, electrolysis, reduction, zinc, copper, double displacement, decomposition) 

Addition of an aqueous solution of ZnSO4 to an aqueous solution of BaCl2 is an example of ______ reaction.

रिकाम्या जागा भरा
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उत्तर

Addition of an aqueous solution of ZnSO4 to an aqueous solution of BaCl2 is an example of double displacement reaction. 

Explanation:

On addition of ZnSO4 and BaCl2, the following reaction takes place:

In the reaction, the exchange of ions occurs. The reaction in which ions exchange to form a precipitate is called a double displacement reaction.

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पाठ 3: Chemical reactions and equations - Exercise [पृष्ठ ४५]

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बालभारती Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
पाठ 3 Chemical reactions and equations
Exercise | Q 1. d. | पृष्ठ ४५

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

State whether the following statement is true or false. In case a statement is false, write the corrected statement.

Condensation of steam is not a chemical change.


How do the following help in bringing about a chemical change?

pressure.


How do the following help in bringing about a chemical change?

heat. 


Complete and balance the following chemical equations:

N2 + O2  →


Give a reason.

Wasp sting is treated with vinegar.


Fill in the blank:

During a chemical reaction transfer of ________ takes place.


Balance the following equation :

Fe + H2O → Fe3O4 + H2


Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.

Water


Give an example of a reaction where the following are involved

Pressure


What do you observe when HCI is passed through a silver nitrate solution.


Write your observation and a balanced equation in the case of the following substances being heated.

Zinc carbonate.


Give a word equation for the following reaction.

A compound which on heating shows – colour change from brown to yellow.


Give balanced equation for the following conversion affected by heat alone on the substance:

Copper nitrate to nitrogen dioxide


Match the chemical reactions in List I with the appropriate answer in List II.

  List I   List II
1. \[\ce{XY⇌[heat]X + Y}\] A: Displacement reaction
2. \[\ce{XY->X + Y}\] B: Double decomposition
3. \[\ce{X+Y- + A+B^-->X+B- + A+Y-}\] C: Endothermic reaction
4. \[\ce{X + YZ->XZ + Y}\] D: Thermal dissociation
5. \[\ce{X + Y->[heat]XY -\Delta}\] E: Decomposition reaction

Select the correct answer from the options given below:

State the gaseous product formed, when

An active metal reacts with dilute sulphuric acid.


Higher order Thinking question

Peeled and unpeeled banana does not look the same. Does that mean peeling banana is a chemical change?


The changes in which new substance with new chemical properties are formed are ______.


Which of the following is/are true when milk changes into curd?

  1. Its state is changed from liquid to semi solid.
  2. It changes colour.
  3. It changes taste.
  4. The change cannot be reversed.

Choose the correct option from below:


Which of the following statement is incorrect for a chemical reaction?


Galvanization is a process in which ______ is coated as a layer of iron.


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