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प्रश्न
Give one example of a salt which gives an aqueous solution having:
pH equal to 7
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उत्तर
Sodium chloride (NaCl)
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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:
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Give one example of a salt which gives an aqueous solution having:
pH more than 7
What is a ‘salt’?
name two salts which are basic.
You are asked to prepare hard water in your laboratory. Select a group from the following groups of salts, any salt of which you may dissolve in distilled water to obtain hard water.
(A) NaCl; Na2SO4; KCl
(B) NaCl; CaCl2; KCl
(C) CaCl2; CaSO4; MgSO4
(D) Na2SO4; CaSO4; MgSO4
Give four substances which contain water of crystallization and write their common name.
Fill in the blank
___________ is the phenomenon by which hydrated salts on exposure to dry air, lose their water of crystallization and crumble to powder.
Which of the following is not an acidic salt?
A salt that is formed by the complete neutralization of an acid and a base is called ______ salt.
Acids react with metallic oxides to produce ______.
Salt which is formed by the partial replacement of hydrogen ions of an acid by a metal is called ______.
What are hygroscopic substances?
You are provided with the list of chemicals mentioned below in the box:
| Sodium hydroxide solution, copper carbonate, zinc, hydrochloric acid, copper, dilute sulphuric acid, chlorine, iron |
Using suitable chemicals from the list given, write a balanced chemical equation for the preparation of the salt mentioned below:
Sodium zincate
