Options:
- A. Lother Meyer
- B. A.E de Chancourtois
- C. Newland
- D. Dobereiner
View Answer
B. A.E de Chancourtois
Chemistry
The Latin word formica means ant. The name formic acid is derived from this Latin word because__________?
Options:
- A. this acid, in ancient times, was used to eliminate ant-hills
- B.
- C.
- D.
View Answer
C.
Which group contains elements that exist as monoatomic molecule?
Options:
- A. 1
- B. 2
- C. 14
- D. 18
View Answer
D. 18
Which of the following phenomenon is considered responsible for Global Warming?
Options:
- A.
- B.
- C.
- D.
View Answer
A.
The element having electronic configuration [kr] 4d10, 4f14,5s2,5p6,5d1,6s2 belongs to __________?
Options:
- A. S-Block
- B. P-Block
- C. d-Block
- D. f-Block
View Answer
D. f-Block
The molecular formula for cholesterol is C27 H46 O. What are the degrees of unsaturation for this compound?
Options:
- A. 5
- B. 6
- C. 7
- D. 8
View Answer
A. 5
Which one of the following is a bridge element?
Options:
- A. Be
- B. Cl
- C. K
- D. P
View Answer
A. Be
The common oxidation state of lanthanides is_________?
Options:
- A. +3
- B. +2
- C. +1
- D. +4
View Answer
A. +3
Which of the following is most soluble on water?
Options:
- A. BaSO4
- B. SrSO4
- C. CaSO4
- D. MgSO4
View Answer
D. MgSO4
The molar mass of an organic acids is determined by____________?
Options:
- A. Depression of freezing point
- B. Volumetric method
- C. Victor Meyer
- D. Osmosis method
View Answer
B. Volumetric method