Advertisements
Advertisements
प्रश्न
Give one example : Basic oxide which is soluble in water.
Advertisements
उत्तर
CaO
APPEARS IN
संबंधित प्रश्न
Draw the structure of the stable positive ion formed when an acid dissolves in water.
Name a salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.
Define the term neutralization, Give a reaction, mentioning clearly acid and base used in the reaction.
Give one example : A base which is not an alkali.
Give one example : A hydrogen containing compound which is not an acid.
Choose the correct answer:
The salt which in solution gives a pale precipitate with sodium hydroxide solution and a white precipitate with barium chloride solution is:
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 the term defined by the following sentence:
The insoluble solid formed when two solutions are mixed together.
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
B is an insoluble salt.
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.
