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Question
Identify the following substance:
Gas C has an offensive smell like rotten eggs.
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Solution
Hydrogen sulphide
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State what would you observe when Washing Soda Crystals are exposed to the atmosphere
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CuSO4.5H2O or CuSO4
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Give any two uses of common salt (sodium chloride).
What is a salt?
Give one example of a salt which gives an aqueous solution having:
pH more than 7
Define the following term:
Water of crystallization
The acid reacts with a base to form a neutral product called ______.
How is normal salt obtained? Give a suitable reaction.
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
