Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Translate the following statements into chemical equations and then balance them.
(a) Hydrogen gas combines with nitrogen to form ammonia.
(b) Hydrogen sulphide gas burns in air to give water and sulphur dioxide.
(c) Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate.
(d) Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.
The method of representing a chemical reaction with the help of symbols and formulae of substances involved is called a chemical equation.
Example: Zinc metal reacts with dilute sulphuric acid to form zinc sulphate and hydrogen gas.
This equation is written as:$Zn\ ( s) \ +\ H_{2} SO_{4} \ ( aq) \ \rightarrow \ ZnSO_{4} \ ( aq) \ +\ H_{2} \ ( g) +Heat$
(a) Hydrogen gas combines with nitrogen to form ammonia.- 3H2 (g) + N2 (g) → 2NH3 (g)
(b) Hydrogen sulphide gas burns in air to give water and sulphur dioxide. - H2S (g) + 3O2 (g) → SO2 (g) + 2H2O(l)
(c) Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate. - 3BaCl2 (aq) + Al2(SO4)3 (aq) → 2AlCl3 (aq) + 3BaSO4 ↓(s)
(d) Potassium metal reacts with water to give potassium hydroxide and hydrogen gas. - 2K (s) + 2H2O (l) → 2KOH (aq) + H2 (g).
Updated on: 14-Mar-2023
24 Views
Advertisements