Advertisements
Advertisements
प्रश्न
What is a ‘salt’?
Answer the following question related to salts and their preparations:
What is a 'salt'?
Advertisements
उत्तर
Salt is a compound formed by the partial or total replacement of the ionizable hydrogen atoms of an acid by a metallic ion or an ammonium ion.
संबंधित प्रश्न
How is common salt obtained from sea-water?
Name the salt which is used as preservative in pickles, and in curing meat and fish.
Complete and balance the following chemical equations:
`NaCI (aq) + H_2O (l) `
Explain why chlorine is used for sterilising drinking water supply.
Write the names, formulae and colours of any two hydrated salts.
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:
(a) five
(b) two
(c) ten
(d) seven
name two salts which are acidic.
What is deliquescence? What name is given to the compounds exhibiting such property?
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?
