English

Write the missing reactants and products and balance the equations. KClOA3→heat ___________+ ____________

Advertisements
Advertisements

Question

Write the missing reactants and products and balance the equations.

\[\ce{KClO3 ->[heat]}\] ___________+ ____________

One Line Answer
Advertisements

Solution

\[\ce{2KClO3 ->[heat] 2KCl + 3O2}\]

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: Chemical Reactions - Exercise 2 [Page 86]

APPEARS IN

Selina Concise Chemistry [English] Class 8 ICSE
Chapter 6 Chemical Reactions
Exercise 2 | Q 5.2 | Page 86

RELATED QUESTIONS

Changes in which new substances are formed are called ______ changes.


Write the missing reactants and products and balance the equations.

NaOH + ............... `→` NaCI + ...................


Write a short note on the information derived from a balanced chemical equation.


Fill in the blank:
The substances which undergo chemical change are called _______


Write balanced chemical equations for the reactions represented by word equations in the conditions for chemical reaction.


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

Hydrogen chloride


Give an example of a reaction where the following are involved

Light


Define a photochemical reaction.


Complete and balance the following reaction:

\[\ce{Pb(NO3)2 ->[\Delta]}\]


What do you observe when dilute sulphuric acid is added to the following:

Sodium Sulphide


Select the correct answer for the following options:

The pale blue precipitated obtained when copper [II] sulphate reacts with sodium hydroxide.


Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.

Ammonium dichromate.


Burning of paper is a ______ change.


When an aqueous solution of potassium chloride is added to an aqueous solution of silver nitrate, a white precipitate is formed. Give the chemical equation of this reaction.


Classify each of the following, as a physical or a chemical change. Give reasons.

(a) Drying of a shirt in the sun.

(b) Rising of hot air over a radiator.

(c) Burning of kerosene in a lantern.

(d) Change the colour of black tea by adding lemon juice to it.

(e) Churning of milk cream to get butter.


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


How would you show that the settling of curd is a chemical change?


Assertion (A): Cutting paper into very small pieces is an irreversible change.
Reason (R): Physical changes are always reversible.


Why is spoiling food a chemical change?


Acid rain is a result of ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×