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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
Define in term of ionization an acid.
Name the ions furnished by an acid.
Define the term neutralization, Give a reaction, mentioning clearly acid and base used in the reaction.
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.
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)
Why is the direct addition of dilute sulphuric acid to lead carbonate an impractical method of preparing lead sulphate?
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.
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.)
What is the first step that is required to prepare Lead sulphate from Lead carbonate?
From the formula listed below, choose one, in the following case, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H2O.
An insoluble chloride.
