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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
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 pH of a salt used to make tasty and crispy pakoras is 14. Identify the salt and write a chemical equation for its formation. List its two uses.
Write a balanced chemical equation for the following:
Action of dilute hydrochloric acid on magnesium sulphite.
What are the two main ways in which common salt (sodium chloride) occurs in nature?
Why is sodium chloride required in our body?
Give the names and formulae of any two salts. Also name the acids and bases from which these salts may be obtained.
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 ______.
Give one example of a salt which gives an aqueous solution having:
pH less than 7
Give one example of a salt which gives an aqueous solution having:
pH equal to 7
The acid reacts with a base to form a neutral product called ______.
