Bond order for N2 molecule is __________________?
Bond order for N2 molecule is __________________?
A. 2
B. 1
C. 3
D. 4
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Boron is non-netal whereas A1 is metal. It is due to_______________________?
Boron is non-netal whereas A1 is metal. It is due to_______________________?A. Small size
B. High nuclear charge
C. Both A and B
D. No authorized justification yetAccording to Journal of Biological Chemistry 158, human brain and heart are composed of ________water?
According to Journal of Biological Chemistry 158, human brain and heart are composed of ________water?A. 75%
B. 81%
C. 73%
D. 89%According to H.H. Mitchell, Journal of Biological Chemistry 158, the brain and heart are composed of 73% water, and the lungs are about 83% water. The skin contains 64% water, muscles and kidneys are 79%, and even the bones are watery: 31%.
The chemical composition of cinnabar is__________________?
The chemical composition of cinnabar is__________________?A. ZnS
B. PbS
C. HgS
D. FeSWhich one of the following is also known as tartaric acid ?
Which one of the following is also known as tartaric acid ?A. 2 3-dihydroxy butance 1 4 -dioic acid
B. 2 3 -dihydroxy butanedioic acid
C. 2 3 -dihydroxy butanioc acid
D. 2 2 -dihydroxy butanoic acidWhich of the following element act as inert electrode________________?
Which of the following element act as inert electrode________________?CCu
B. Ag
C. Pt
D. NoneWhich of the following is not a fatty acid ?
Which of the following is not a fatty acid ?A. Propanoic acid
B. Acetic acid
C. Phthalic acid
D. Butanoic acid