Advertisements
Advertisements
प्रश्न
Name the salt which is used as a preservative in pickles, and in curing meat and fish.
Advertisements
उत्तर
Sodium chloride (NaCl)
APPEARS IN
संबंधित प्रश्न
The salt prepared by the method of direct combination is _______.
How is common salt obtained from sea-water?
Complete and balance the following chemical equation:
\[\ce{NaCl_{(aq)} + H2O_{(l)} ->[Electricity]}\]
What happens when a few drops of water are added to anhydrous copper sulphate? Explain with the help of an equation.
Give the names and formulae of any two salts. Also name the acids and bases from which these salts may be obtained.
The salt whose aqueous solution will have no effect on either red litmus or blue litmus is ______.
The aqueous solution of one of the following salts will turn phenolphthalein indicator pink. This salt is:
A salt whose aqueous solution will have a pH of more than 7 will be ______.
Give one example of a salt which gives an aqueous solution having:
pH more than 7
Write the name and formula of one salt which contains:
Two molecules of water of crystallisation.
Name a salt whose solubility decreases with temperature.
Explain ‘salt hydrolysis’
name two salts which are acidic.
The pH values of three solutions A, B and C are given in the table. Answer the following questions:
| Solution | pH value |
| A | 12 |
| B | 2 |
| C | 7 |
- Which solution will have no effect on litmus solution?
- Which solution will liberate CO2 when reacted with sodium carbonate?
- Which solution will turn red litmus solution blue?
What is deliquescence? What name is given to the compounds exhibiting such property?
Name the anion present in the following compound:
Compound A, when warmed with concentrated sulphuric acid, gives a gas which fumes in moist air and which gives dense white fumes with ammonia.
Many salts absorb water from the atmosphere. This property is called:
The chemical name of plaster of Paris is ______.
Salt which is formed by the partial replacement of hydrogen ions of an acid by a metal is called ______.
Name the salt formed when sulphuric acid is added to sodium hydroxide and write its pH.
