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प्रश्न
What is the term defined below?
A base which is soluble in water.
उत्तर
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.
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?
Give one example : A basic oxide which is insoluble in water.
Give one example : A weak mineral acid.
Give one example : A base which is not an alkali.
Give one example : A hydrogen containing compound which is not an acid.
Fill in the blank.
An acid is a compound which when dissolved in water forms hydronium ions as the only ______ ions.
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.
Answer the following question related to salts and their preparations:
What kind of salt is prepared by precipitation?
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
B is an insoluble salt.
