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प्रश्न
Give one example : An oxide which is a base.
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उत्तर
CuO
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संबंधित प्रश्न
Name the ion that turns blue litmus red.
Name the ions furnished by bases in solution.
Define the term neutralization, Give a reaction, mentioning clearly acid and base used in the reaction.
Give one example : A hydrogen containing compound which is not an acid.
What is the term defined below?
A base which is soluble in water.
Fill in the blank from the choices given in bracket.
When a metallic oxide is dissolved in water, the solution formed has a high concentration of ___________ ions. (H+,H3O+,OH-)
Identify the anion present of the following compound:
A salt D on treatment with dilute sulphuric acid produces a gas which turns lime water milky but has no effect on acidified potassium dichromate solution
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:
A black coloured solid which on reaction with dilute sulphuric acid forms a blue coloured solution is ______.
State your observation:
Zinc granule is added to copper sulphate solution.
