हिंदी

Give the names and formulae of any two salts. Also name the acids and bases from which these salts may be obtained.

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प्रश्न

Give the names and formulae of any two salts. Also name the acids and bases from which these salts may be obtained.

रासायनिक समीकरण/संरचनाएँ
लघु उत्तरीय
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उत्तर

The sodium chloride (NaCl) and ammonium chloride (NH4Cl) are the salts. Sodium chloride salt (NaCl) is formed from an acid, hydrochloric acid (HCl), and a base (NaOH). Ammonium chloride (NH4Cl) is formed from an acid, hydrochloric acid (HCl), and a base, ammonium hydroxide (NH4OH).

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अध्याय 2: Acids, Bases and Salts - Exercise 3 [पृष्ठ १२२]

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लखमीर सिंग Chemistry Part 2 [English] Class 10
अध्याय 2 Acids, Bases and Salts
Exercise 3 | Q 53. (a) (ii) | पृष्ठ १२२

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संबंधित प्रश्न

What name is given to the common salt which is mined from underground deposits? How was this salt formed?


Rock salt is mined just like ______.


How would you show that blue copper sulphate crystals contain water of crystallisation?


What happens when a few drops of water are added to anhydrous copper sulphate? Explain with the help of an equation.


What will be the colour of litmus in an aqueous solution of ammonium chloride salt?


The products of chloro-alkali process are ______.


The number of molecules of water of crystallisation present in washing soda crystals is ______.


The aqueous solution of one of the following salts will turn phenolphthalein indicator pink. This salt is:


Give one example of a salt which gives an aqueous solution having:

pH more than 7


Consider the following salts:

Na2CO3, NaCl, NH4Cl, CH3COONa, K2SO4, (NH)2SO4

Which of these salts will give:

  1. acidic solutions?
  2. neutral solutions?
  3. basic solutions (or alkaline solutions)?

A salt X when dissolved in distilled water gives a clear solution which turns red litmus blue. Explain the phenomenon.


Name a salt whose solubility decreases with temperature.


Hard water required for an experiment is not available in a school laboratory. However, following salts are available in the laboratory. Select the salts which may be dissolved in water to make it hard for the experiment.

(1)

Calcium Sulphate

(2)

Sodium Sulphate

(3)

Calcium Chloride

(4)

Potassium Sulphate

(5)

Sodium Hydrogen Carbonate

(6)

Magnesium Chloride

(A) 1, 2 and 4

(B) 1, 3 and 6

(C) 3, 5 and 6

(D) 2, 4 and 5


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.


Answer the following questions below, relating your answers only to salts in the following list:
Sodium chloride, anhydrous calcium chloride, copper sulphate-5-water.
(i) What is the name given to the water in the compound copper sulphate-5-water?
(ii) If copper sulphate-5-water is heated, the water is driven off leaving anhydrous copper sulphate. What is the colour of anhydrous copper sulphate?
(iii) By what means, other than heating, you can dehydrate copper sulphate-5-water and obtain anhydrous copper sulphate?
(iv) Which one of the salts in the given list is deliquescent?


Distinguish by a chemical test sodium hydroxide solution and ammonium hydroxide solution.


An aqueous solution of a salt turns blue litmus to red. The salt could be the one obtained by the reaction of ______.


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


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