Advertisements
Advertisements
Question
Name the raw material used for the production of caustic soda.
Advertisements
Solution
Sodium chloride (NaCl)
APPEARS IN
RELATED QUESTIONS
Identify the substance underlined, in the following case
A solid formed by reaction of two gases, one of which is acidic and the other basic in nature
Give one word or a phrase:
The property by which certain hydrated salts, when left exposed to atmosphere, lose their water of crystallization and crumble into powder.
Write a balanced equation for the preparation of the following salt:
Zinc carbonate from zinc sulphate.
Why is sodium chloride required in our body?
Explain why chlorine is used for sterilising drinking water supply.
What will be the colour of litmus in an aqueous solution of ammonium chloride salt?
The number of molecules of water of crystallisation present in washing soda crystals is ______.
Consider the following salts:
Na2CO3, NaCl, NH4Cl, CH3COONa, K2SO4, (NH)2SO4
Which of these salts will give:
- acidic solutions?
- neutral solutions?
- basic solutions (or alkaline solutions)?
Write the name and formula of one salt which contains:
Two molecules of water of crystallisation.
You are asked to prepare hard water in your laboratory. Select a group from the following groups of salts, any salt of which you may dissolve in distilled water to obtain hard water.
(A) NaCl; Na2SO4; KCl
(B) NaCl; CaCl2; KCl
(C) CaCl2; CaSO4; MgSO4
(D) Na2SO4; CaSO4; MgSO4
The pH values of three solutions A, B and C are given in the table. Answer the folloiwng questions:
| Solution | pH value |
| A | 12 |
| B | 2 |
| C | 7 |
Which solution will liberate CO2 when reacted with sodium carbonate?
Define the following term:
Efflorescence
What is deliquescence? What name is given to the compounds exhibiting such property?
Taking sodium carbonate as an example, give the meaning of the following terms:
Anhydrous
State what would you observe when :
Washing soda crystals are exposed to the atmosphere.
The chemical name of plaster of Paris is ______.
Acids react with metallic oxides to produce ______.
You are provided with the list of chemicals mentioned below in the box:
| Sodium hydroxide solution, copper carbonate, zinc, hydrochloric acid, copper, dilute sulphuric acid, chlorine, iron |
Using suitable chemicals from the list given, write a balanced chemical equation for the preparation of the salt mentioned below:
Copper sulphate
Select the correct answer from A, B, C, D and E.
A compound which in the aqueous solution state, is neutral in nature.
