English
Maharashtra State BoardSSC (English Medium) 10th Standard

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.

Advertisements
Advertisements

Question

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.

Fill in the Blanks
Advertisements

Solution

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.

shaalaa.com
  Is there an error in this question or solution?
Chapter 3: Chemical reactions and equations - Exercise [Page 45]

APPEARS IN

Balbharati Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
Chapter 3 Chemical reactions and equations
Exercise | Q 1. d. | Page 45

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

FILL IN THE BLANK

Positively charged ions are called ........


TRUE \ FALSE

A precipitation reaction takes place only in a solution.


Write true or false :

When potassium iodide solution is added to lead acetate solution a red precipitate is formed.


Explain the following reaction with one suitable example of Decomposition reaction


Name the type of chemical reaction shown by the following equation:

NaOH + HCl → NaCl + H2O


A solution of a substance ‘X’ is used for white washing Name the substance ‘X’ and write its formula.


A solution of a substance ‘X’ is used for white washing write the reaction of the substance ‘X’ named in (a) above with water.


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

Water


Name: Two carbonates do not produce carbon dioxide on heating.


State the original colour of the following substance and colour of residue obtained after heating.

Lead nitrate


Give a chemical test to distinguish between the following gases. 

NH3 and HCl


Distinguish by heating the following in dry test tubs.

Copper Sulphate and copper carbonate


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

Copper carbonate to copper oxide


Higher order Thinking question

A very hot glass on putting in cold water cracks. What does this change indicate?


The percentage composition of Nitrogen in Ureas is ______.


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?


Give two examples for the following case:

Chemical changes


The chemical name of baking soda is sodium bicarbonate.


Both CO2 and H2 gases are ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×