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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
Name the ion that turns blue litmus red.
Name a salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.
Give one example : Basic oxide which is soluble in water.
Give one example : A hydroxide which is insoluble in water.
Give one example : An oxide which is a base.
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?
Identify the anion present of the following compound:
A salt M on treatment with concentrated sulphuric acid produces a gas which fumes in moist air and gives dense fumes with ammonia.
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:
State the term defined by the following sentence:
The insoluble solid formed when two solutions are mixed together.
