हिंदी

Give one example of a salt which gives an aqueous solution having: pH less than 7

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प्रश्न

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

pH less than 7

एक शब्द/वाक्यांश उत्तर
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उत्तर

Ammonium chloride (NH4Cl)

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अध्याय 2: Acids, Bases and Salts - Exercise 3 [पृष्ठ १२१]

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लखमीर सिंग Chemistry Part 2 [English] Class 10
अध्याय 2 Acids, Bases and Salts
Exercise 3 | Q 73. (a) | पृष्ठ १२१

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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:

[AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2]

On heating, this salt gives a yellow residue when hot and white when cold


From the list of the following salts choose the salt that most appropriately fits the
description is given in the following:

[AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2]

On heating this salt, a brown colored gas is evolved.


Write the chemical name and formula of common salt.


Name the major salt present in sea-water.


Why is sodium chloride required in our body?


Common salt is obtained from sea-water by the process of ______.


Complete and balance the following chemical equation:

\[\ce{NaCl_{(aq)} + H2O_{(l)} ->[Electricity]}\]


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


What is a salt?


A salt is dissolved in water and the pH of this salt solution is measured with a universal indicator paper. If the pH of solution is less than 7, the salt is most likely to be ______.


When the concentrated aqueous solution of substance X is electrolysed, then NaOH, Cl2 and H2 are produced. Name the substance X. What is the special name of this process?


name two salts which are basic.


State one observation for each of the following  : 
Lead nitric is heated strongly in a test tube. 


 Name the particles present in : 
Strong electrolyte 


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.


Copy and complete the following table which refers to the action of heat on some carbonates:

Carbonate Colour of residue on cooling
Zinc Carbonate  
Lead carbonate  
Copper carbonate  

Distinguish by a chemical test sodium chloride and sodium sulphide.


Sodium carbonate is a basic salt because it is a salt of a ____________.


The chemical name of plaster of Paris is ______.


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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