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प्रश्न
Name a salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.
Answer the following question related to salts and their preparations:
Name a salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.
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उत्तर
A salt prepared by direct combination is Iron (III) chloride.
\[\ce{\underset{Sodium}{2Na_{(s)}}+\underset{Chlorine}{Cl2_{(g)}}->[\Delta]\underset{Sodium chloride}{2NaCl_{(s)}}}\]
संबंधित प्रश्न
Explain the formation of hydronium ion.
Define in term of ionization an acid.
Define the term neutralization, Give a reaction, mentioning clearly acid and base used in the reaction.
Give one example : A hydroxide which is highly soluble in water.
Give one example : A basic oxide which is insoluble in water.
Give one example : A base which is not an alkali.
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.)
Write the equation for the reaction that will take place when this first step is carried out.
Solution A is a sodium hydroxide solution. Solution B is a weak acid. Solution C is dilute sulphuric acid. Which solution will.
(i) Liberate sulphur dioxide from sodium sulphite
(ii) Give a white precipitate with zinc sulphate solution,(iii) Contain solute molecules and ions?
From the list of the following salts choose the salt that most appropriately fits the description given in the following :
[ AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2 ]
(i) A deliquescent salt
(ii) An insoluble chloride
(iii) On heating this salt gives a yellow residue when hot and white when cold
(iv) On heating this salt, a brown coloured to prepare the following salts:
Answer the following question related to salts and their preparations:
What kind of salt is prepared by precipitation?
