Content protected from screenshots
GKFix.in
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
Home
My Profile
General Knowledge
Categories
Concept Builder
Start Quiz
Logout
GKFix MCQ Question
Test your knowledge and learn something new
Home
Chemistry
Question #6042
Back to Home
View All Chemistry Questions
82 Views
Question
The gas used in refrigeration systems is
A. CFCs
B. HFCs
C. carbon dioxide
D. ammonia
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What is the atomicity of ozone?
111
Which alloy is used in making aircraft parts?
91
The SI unit of angular velocity is
73