Content protected from screenshots
GKFix.in
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
GKFix.in
Home
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
Start Quiz
GKFix MCQ Question
Test your knowledge and learn something new
Home
Some Basic Concepts of Chemistry
Question #22225
Back to Home
View All Some Basic Concepts of Chemistry Questions
19 Views
Question
Which element was initially used as a reference for atomic masses in the nineteenth century?
A. Carbon
B. Oxygen
C. Hydrogen
D. Nitrogen
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What is the physical state of H₂O in the reaction CH₄(g) + 2O₂(g) → CO₂(g) + 2H₂O(g)?
18
Which of the following is NOT a pure substance?
30
What is the length of a 3-inch metal piece in centimeters?
20
What did the agreement between Iran and the IAEA entail according to IAEA Director General Rafael Gr...
(Current Affairs)
26
How many electors were found missing or ineligible during the Special Intensive Revision (SIR) of Bi...
(Current Affairs)
61