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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.
\[\ce{\underset{Sodium}{2Na_{(s)}}+\underset{Chlorine}{Cl2_{(g)}}->[\Delta]\underset{Sodium chloride}{2NaCl_{(s)}}}\]
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संबंधित प्रश्न
Draw the structure of the stable positive ion formed when an acid dissolves in water.
Explain the formation of hydronium ion.
Name the ions furnished by an acid.
Give one example : Basic oxide which is soluble in water.
Give one example : A basic oxide which is insoluble in water.
Give one example : A weak mineral acid.
Choose the correct answer:
The salt which in solution gives a pale precipitate with sodium hydroxide solution and a white precipitate with barium chloride solution is:
Answer the following question related to salts and their preparations:
What kind of salt is prepared by precipitation?
The following is a list of methods for the preparation of salts.
A – direct combination of two elements
B – reaction of a dilute acid with a metal.
C – reaction of a dilute acid with an insoluble base.
D – titration of a dilute acid with a solution of soluble base.
E – reaction of two solutions of salts to form a precipitate.
Choose from the above list A to E, the best method of preparing the following salt by giving a suitable equation in the following case:
Lead chloride.
A black coloured solid which on reaction with dilute sulphuric acid forms a blue coloured solution is ______.
