Washing Soda

IMPORTANT

Washing Soda: Overview

This Topic covers sub-topics such as Sodium Carbonate, Washing Soda, Solvay's Process, Uses of Sodium Carbonate, Solubility of Sodium Carbonate in Water, Physical Properties of Sodium Carbonate and, Soda Ash Form

Important Questions on Washing Soda

HARD
IMPORTANT

Number of water molecules in washing soda and soda ash respectively are :

MEDIUM
IMPORTANT

Water of crystallization in soda ash and washing soda is respectively. 

EASY
IMPORTANT

During the Solvay process, _____ is one of the products formed when calcium hydroxide is reacted with ammonium chloride. A white solid is formed and disposed in oceans.

EASY
IMPORTANT

Why can't potassium carbonate K2CO3 be made by Solvay process?

EASY
IMPORTANT

What is washing soda? State two properties of washing soda.

EASY
IMPORTANT

A salt is obtained using common salt as a raw material. It is used in glass, soap and paper industries and also used in the manufacture of sodium compounds such as borax. Identify the salt.

HARD
IMPORTANT

Efflorescence is the process of loss of water molecules from sodium bicarbonate.

MEDIUM
IMPORTANT

In which process Ca(OH)2 is used to produce NH3?

EASY
IMPORTANT

Which of the following compound of sodium is called washing soda?

EASY
IMPORTANT

The by-product of Solvay process is:

MEDIUM
IMPORTANT

Anhydrous Na2CO3 on heating forms:

EASY
IMPORTANT

Match the following items in column I with the corresponding items in column II

Column I Column II
(i) Na2CO3.10H2O (A) Portland cement ingredient
(ii) MgHCO32 (B) Castner-Kellner process
(iii) NaOH (C) Solvay process
(iv) Ca3Al2O6 (D) Temporary hardness

EASY
IMPORTANT

The by-product of Solvay process is:

MEDIUM
IMPORTANT

Anhydrous Na2CO3 on heating forms:

EASY
IMPORTANT

Potassium carbonate cannot be made by the Solvay process because 

HARD
IMPORTANT

Which of the following compound is prepared from Na2CO3.10H2O during Solvay;s process?

HARD
IMPORTANT

During Solvay's process, sodium carbonate exists in the form of _____.

EASY
IMPORTANT

Name the gas released when sodium carbonate is added to a solution of sulphur dioxide. 

MEDIUM
IMPORTANT

D,E and F are:

EASY
IMPORTANT

B and C are: