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प्रश्न
Identify the following substance:
Gas C has an offensive smell like rotten eggs.
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उत्तर
Hydrogen sulphide
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संबंधित प्रश्न
Which of the following salt has a blue colour and why?
CuSO4.5H2O or CuSO4
A salt whose aqueous solution will have a pH of more than 7 will be ______.
Write the name and formula of one salt which contains:
Five molecules of water of crystallisation.
Name two salts which are neutral when dissolved in water.
Name the particles present in :
Strong electrolyte
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?
Name gases which has a sour taste.
Distinguish by a chemical test sodium hydroxide solution and ammonium hydroxide solution.
Differentiate hydrate and anhydrous salts with examples.
How is normal salt obtained? Give a suitable reaction.
