- 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
Complete and balance the following equations:(a) $Na + O_2 →$(b) $Na_2O + H_2O →$(c) $Fe(s) + H_2O(g) \xrightarrow{red hot}$(d) $Cu(NO_3)(aq) + Zn →$
The complete balanced equations are given below:
(a) $4Na + O_2 → 2Na_2O$
(b) $Na_2O + H_2O → 2NaOH$
(c) $Fe(s) + H_2O(g) \xrightarrow{red hot} Fe_3O_4(s) + 4H_2(g)$
(d) $Cu(NO_3)(aq) + Zn → Zn(NO_3)2 + 2Cu$
 
Advertisements