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प्रश्न
Give the names and formulae of any two salts. Also name the acids and bases from which these salt may be obtained.
उत्तर
The names and formulae of two salts are sodium chloride, NaCl, and ammonium chloride, NH4Cl, respectively. Sodium chloride salt (NaCl) is formed from an acid, hydrochloric acid (HCl), and a base (NaOH). Ammonium chloride (NH4Cl) is formed from an acid, hydrochloric acid (HCl), and a base, ammonium hydroxide (NH4OH).
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संबंधित प्रश्न
Name the major salt present in sea-water.
How is common salt obtained from sea-water?
Name the salt which is used as preservative in pickles, and in curing meat and fish.
The number of molecules of water of crystallisation present in washing soda crystals is:
(a) five
(b) two
(c) ten
(d) seven
name two salts which are basic.
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?
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 ______.
Name the salt formed when sulphuric acid is added to sodium hydroxide and write its pH.
