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प्रश्न
Choose the correct answer from the options given below :
An electrolyte which completely dissociates into ions are :
पर्याय
Alcohol
Carbonic acid
Sucrose
Sodium hydroxide
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उत्तर
Sodium hydroxide
NaOH is strong base
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संबंधित प्रश्न
Draw the structure of the stable positive ion formed when an acid dissolves in water.
Name the kind of particles present in carbonic acid.
Name the ions furnished by a weak alkali.
Name the ions furnished by an acid.
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?
Fill in the blank.
An acid is a compound which when dissolved in water forms hydronium ions as the only ______ ions.
Fill in the blanks.
A base is a compound which if soluble in water contains ______ ions. A base reacts with an acid to form ______ and water only. This type of reaction is known as ______.
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.
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 hydrogen.
