English
Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 10

Chemical volcano is an example of ______ type of reaction.

Advertisements
Advertisements

Question

Chemical volcano is an example of ______ type of reaction.

Fill in the Blanks
Advertisements

Solution

A chemical volcano is an example of a Decomposition type of reaction.

shaalaa.com
  Is there an error in this question or solution?
Chapter 10: Types of Chemical Reactions - Evaluation [Page 153]

APPEARS IN

Samacheer Kalvi Science [English] Class 10 SSLC TN Board
Chapter 10 Types of Chemical Reactions
Evaluation | Q II. 9. | Page 153

RELATED QUESTIONS

Why is the amount of gas collected in one of the test tubes in the following Activity double of the amount collected in the other? Name this gas.

  • Take a plastic mug. Drill two holes at its base and fit rubber stoppers in these holes. Insert carbon electrodes in these rubber stoppers as shown in the following Fig.
  • Connect these electrodes to a 6 volt battery.
  • Fill the mug with water such that the electrodes are immersed. Add a few drops of dilute sulphuric acid to the water.
  • Take two test tubes filled with water and invert them over the two carbon electrodes.
  • Switch on the current and leave the apparatus undisturbed for some time.
  • You will observe the formation of bubbles at both the electrodes. These bubbles displace water in the test tubes.
  • Is the volume of the gas collected the same in both the test tubes?
    • Once the test tubes are filled with the respective gases, remove them carefully.
  • Test these gases one by one by bringing a burning candle close to the mouth of the test tubes.

Caution: This step must be performed carefully by the teacher.

  • What happens in each case?
  • Which gas is present in each test tube?


What type of chemical reaction is used to extract metals from their naturally occurring compounds like oxides or chlorides?


What type of chemical reaction takes place when limestone is heated?


Which of the following can be decomposed by the action of light?


Explain the following type of chemical reaction, giving two examples for it:

Decomposition reaction


How will you obtain  Nitrogen dioxide from lead nitrate.
Also give balanced equations for the reactions


Explain the reaction given in the figure.


Photolysis is a decomposition reaction caused by ______


  1. Identify the gasses evolved at the anode and cathode in the above experimental set up.
  2. Name the process that occurs. Why is it called so?
  3. Illustrate the reaction of the process with the help of a chemical equation.

A solution of a substance ‘X’ is used for whitewashing.

  1. Name the substance ‘X’ and write its formula.
  2. Write the reaction of the substance ‘X’ named in the above formula with water.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×