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
P BLOCK ELEMENTS
Question #37801
Back to Home
View All P BLOCK ELEMENTS Questions
12 Views
Question
What is the approximate △fH value for H2O?
A. –20 kJ mol⁻¹
B. +73 kJ mol⁻¹
C. +100 kJ mol⁻¹
D. –286 kJ mol⁻¹
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Which phosphorus allotrope is formed when red phosphorus is heated under high pressure?
13
What is the main impurity removed when N₂ is passed through acidified K₂Cr₂O₇?
10
What is the primary reason for the instability of bromine oxides?
10
Who was arrested by the CBI in connection with a transnational cybercrime syndicate targeting citize...
(Current Affairs)
14
Which state's Chief Minister raised concerns about the safety of Kashmiri students in Iran following...
(Current Affairs)
29