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प्रश्न
Give one example : A weak mineral acid.
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उत्तर
H2CO3
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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]
An insoluble chloride.
Name a salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.
Define the term neutralization, if one mole of a strong acid reacts with one mole of a strong base, the heat produced is always the same. Why?
Give one example : Basic oxide which is soluble in water.
Give one example : A hydroxide which is highly soluble in water.
Give one example : A hydrogen containing compound which is not an acid.
Answer the following question related to salts and their preparations:
What kind of salt is prepared by precipitation?
The preparation of Lead sulphate from Lead carbonate is a two-step process. (Lead sulphate cannot be prepared by adding dilute Sulphuric acid to Lead carbonate.)
What is the first step that is required to prepare Lead sulphate from Lead carbonate?
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
B is an insoluble salt.
Making use only of substances chosen from those given below:
(Dilute sulphuric acid, sodium carbonate, Zinc, sodium sulphite, Lead, calcium carbonate)
Give the equation for the reaction by which you could obtain carbon dioxide.
