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प्रश्न
Name gases which has a sour taste.
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उत्तर
Acidic gases like HCl, SO2, H2S.
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संबंधित प्रश्न
State what would you observe when Washing Soda Crystals are exposed to the atmosphere
State one relevant observation for the following:
Anhydrous calcium chloride is exposed to air for some time.
Name three chemicals made from common salt (or sodium chloride).
What name is given to the common salt which is mined from underground deposits? How was this salt formed?
Fill in the following blank:
Rock salt is mined just like ......................
Consider the following salts:
Na2CO3, NaCl, NH4Cl, CH3COONa, K2SO4, (NH4)2SO4
Which of salts will give:
acidic solutions?
name two salts which are acidic.
Define the following term:
Hygroscopy
Answer the questions below relating your answers only to salts in the following list: Sodium chloride, anhydrous calcium chloride, copper sulphate-5-water?
- What name is given to the water in the compound copper sulphate-5-water?
- If copper sulphate-5-water is heated, anhydrous coppersulphate is formed. What is its colour?
- By what means, other than healing, could you dehydrate copper sulphate-5-water and obtain anhydrous coppersulphate?
- Which one of the salts in the given list is deliquescent?
What are hygroscopic substances?
