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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
RELATED QUESTIONS
From the list of the following salts choose the salt that most appropriately fits the
description is given in the following:
[AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2]
On heating this salt, a brown colored gas is evolved.
The property by which certain hydrated salts, when left exposed to the atmosphere, lose their water of crystallization and crumble into powder.
How is common salt obtained from sea-water?
Give the names and formulae of any two salts. Also name the acids and bases from which these salt may be obtained.
The salt whose aqueous solution will have no effect on either red litmus or blue litmus is
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(c) ammonium sulphate
(d) sodium acetate
A salt is dissolved in water and the pH of this salt solution is measured with a universal indicator paper. If the pH of solution is less than 7, the salt is most likely to be:
(a) CH3COONa
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Give one example of a salt which gives an aqueous solution having:
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The chemical name of plaster of Paris is ______.
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
