Advertisements
Advertisements
Question
Fill in the following blank:
Common salt is obtained from sea-water by the process of.............
Solution
Common salt is obtained from sea-water by the process of evaporation.
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
Name the salt which is used as preservative in pickles, and in curing meat and fish.
The products of chlor-alkali process are:
(a) NaCl, Cl2 and H2
(b) H2, Cl2 and NaOH
(c) Cl2, Na2CO3 and H2O
(d) NaOH, Cl2 and HCl
The number of molecules of water of crystallisation present in washing soda crystals is:
(a) five
(b) two
(c) ten
(d) seven
P and Q are aqueous solutions of sodium chloride and sodium hydroxide, respectively. Which of these will turn:
red litmus blue?
Consider the following salts:
Na2CO3, NaCl, NH4Cl, CH3COONa, K2SO4, (NH4)2SO4
Which of salts will give:
neutral solutions?
What is a ‘salt’?
Name a salts whose solubility increases with temperature.
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?
Distinguish by a chemical test sodium chloride and sodium sulphite.
