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प्रश्न
Choose the correct answer from the options given below :
An electrolyte which completely dissociates into ions are :
विकल्प
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 ions furnished by an acid.
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 : An oxide which is a base.
From the list given below. Select the word(s) required to correctly complete the blanks (i) to (v) in the following passage:
Ammonia, Ammonium, Carbonate, Carbon dioxide, Hydrogen, Hydronium,
A solution 'X' turns blue litmus red so it must contain (i) ______ ions; another solution 'Y' turns red litmus blue and therefore must contain(ii) ______ ions. When solutions X and Y are mixed together, the products will be a (iii) ______ and ______ (iv) ______. If a piece of magnesium was put into solution X, (v) ______ gas would be evolved.
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:
State the term defined by the following sentence:
The insoluble solid formed when two solutions are mixed together.
A black coloured solid which on reaction with dilute sulphuric acid forms a blue coloured solution is ______.
