Advertisements
Advertisements
प्रश्न
Write the chemical name and formula of common salt.
Advertisements
उत्तर
The chemical name of common salt is sodium chloride. Its formula is NaCl.
APPEARS IN
संबंधित प्रश्न
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
The salt prepared by the method of direct combination is _______.
Write a balanced equation for the preparation of the following salt:
Zinc carbonate from zinc sulphate.
The aqueous solution of one of the following salts will turn red litmus to blue. This salt is:
Give one example of a salt which gives an aqueous solution having:
pH less than 7
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:
Five molecules of water of crystallisation.
What is a ‘salt’?
Name a salt whose solubility decreases with temperature.
State one observation for each of the following :
Lead nitric is heated strongly in a test tube.
Name the particles present in :
Strong electrolyte
Taking sodium carbonate as an example, give the meaning of the following terms:
Water of crystallization
Answer the following questions below, relating your answers only to salts in the following list:
Sodium chloride, anhydrous calcium chloride, copper sulphate-5-water.
(i) What is the name given to the water in the compound copper sulphate-5-water?
(ii) If copper sulphate-5-water is heated, the water is driven off leaving anhydrous copper sulphate. What is the colour of anhydrous copper sulphate?
(iii) By what means, other than heating, you can dehydrate copper sulphate-5-water and obtain anhydrous copper sulphate?
(iv) Which one of the salts in the given list is deliquescent?
Distinguish by a chemical test sodium hydroxide solution and ammonium hydroxide solution.
Write any five uses of salts.
The chemical name of plaster of Paris is ______.
Acids react with metallic oxides to produce ______.
Salt which is formed by the partial replacement of hydrogen ions of an acid by a metal is called ______.
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
