- Trending Categories
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
A student takes Na2CO3 powder in a test tube and pours some drops of acetic acid in it. He observes:
(a) No reaction in the test tube. (b) Colourless gas with pungent smell.
(c) Bubbles of a colourless and odourless gas. (d) White fumes with smell of vinegar.
Correct answer: (c) Bubbles of a colourless and odourless gas.
Explanation: Na2CO3 reacts with acetic acid to evolve carbon dioxide gas, which is a colourless and odourless gas.
Advertisements