Advertisements
Advertisements
प्रश्न
Give one example : Basic oxide which is soluble in water.
Advertisements
उत्तर
CaO
APPEARS IN
संबंधित प्रश्न
Explain the formation of hydronium ion.
Define the term neutralization, Give a reaction, mentioning clearly acid and base used in the reaction.
Name the ions furnished by bases in solution.
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.
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?
Fill in the blank.
An acid is a compound which when dissolved in water forms hydronium ions as the only ______ ions.
What is the term defined below?
A base which is soluble in water.
Identify the anion present of the following compound:
A salt M on treatment with concentrated sulphuric acid produces a gas which fumes in moist air and gives dense fumes with ammonia.
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 your observation:
Zinc granule is added to copper sulphate solution.
