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प्रश्न
Name the major salt present in sea-water.
उत्तर
Common salt (or sodium chloride) is present naturally in sea water in the dissolved form. This is the major salt present in sea water.
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संबंधित प्रश्न
State what would you observe when Washing Soda Crystals are exposed to the atmosphere
Write a balanced equation for the preparation of the following salts:
Copper sulphate from Copper Carbonate.
Name three chemicals made from common salt (or sodium chloride).
What happens when copper sulphate crystals are heated strongly? Explain with the help of an equation.
Taking sodium carbonate as an example, give the meaning of the following terms: Anhydrous.
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 :
The salt ferric chloride is exposed to the atmosphere.
Distinguish by a chemical test, Sodium carbonate and sodium sulphite.
Differentiate hydrate and anhydrous salts with examples.
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:
Sodium zincate
