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प्रश्न
Name the ions furnished by : a weak alkali
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उत्तर
A weak alkali furnishes the ions : Hydroxide ion and metallic ion and molecules of weak alkali.
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संबंधित प्रश्न
From the list of the following salts choose the salt that most appropriately fits the description is given in the following:
[AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2]
An insoluble chloride.
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 ion that turns blue litmus red.
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?
Name the ions furnished by : an 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.)
Write the equation for the reaction that will take place when this first step is carried out.
Fill in the blank.
An acid is a compound which when dissolved in water forms hydronium ions as the only ______ ions.
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.
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.
