Advertisements
Advertisements
प्रश्न
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
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 |
Using suitable chemicals from the list given, write a balanced chemical equation for the preparation of the salt mentioned below:
Sodium zincate
Advertisements
उत्तर
\[\ce{Zn + 2NaOH -> Na2ZnO2 + H2}\]
संबंधित प्रश्न
Write a balanced chemical equation for Action of dilute hydrochloric acid on magnesium sulphite.
What are the two main ways in which common salt (sodium chloride) occurs in nature?
How would you show that blue copper sulphate crystals contain water of crystallisation?
Give the names and formulae of any two salts. Also name the acids and bases from which these salt may be obtained.
Consider the following salts:
Na2CO3, NaCl, NH4Cl, CH3COONa, K2SO4, (NH4)2SO4
Which of these salts will give:
basic solutions (or alkaline solutions)?
State one observation for each of the following :
Lead nitric is heated strongly in a test tube.
Define the following term:
Efflorescence
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.
What are hygroscopic substances?
Name the salt formed when sulphuric acid is added to sodium hydroxide and write its pH.
