Options:
- A. H2CO3
- B.
- C.
- D.
View Answer
A. H2CO3
Chemistry
In a molecule of carbon monoxide, what are the formal charges on the two atoms?
Options:
- A. Carbon=0, Oxygen=0
- B. Carbon= +1, Oxygen= -1
- C. Carbon= -1, Oxygen= +1
- D. Carbon=0, Oxygen= -1
View Answer
C. Carbon= -1, Oxygen= +1
The average salinity of sea water is________?
Options:
- A. 3%
- B.
- C.
- D.
View Answer
B.
A 10 volume solution of H2O2 means_______?
Options:
- A. 10 grams of H2O2 solution liberate 10 mL of O2 at STO
- B. 10 gram equivalents of H2O2 liberates 10 mL of O2 at STP
- C. 10 litres of H2O2 liberates 19 mL of O2 at STP
- D. 1mL of solution of H2O2 liberates 10 mL of O2 at STP
View Answer
D. 1mL of solution of H2O2 liberates 10 mL of O2 at STP
For the reaction 2HI ____________> H2+ I2
Options:
- A. Kp > kc
- B. Kc > kp
- C. Kp= kc
- D. Kp ? kc
View Answer
C. Kp= kc
Alpha (?) particles are helium (He) nucleus with a charge of __________ ?
Options:
- A. e
- B. 2e
- C. 3e
- D. 4e
View Answer
B. 2e
Water gas heated at 450?C and 200 atm pressure in the presence of ZnO+Cr2O3 will produce________________?
Options:
- A. methanol
- B. methanol
- C. carbonic acid
- D. methane
View Answer
B. methanol
Sum of protons and neutrons in an atom gives off _________ ?
Options:
- A. Nucleon numbera
- B. Mass number
- C. Atomic number
- D. Both A and B
View Answer
D. Both A and B
The by-product of the process of Saponification is___________?
Options:
- A. Methanol
- B. Glycol
- C. Glycerol
- D. Sodium hydroxide
View Answer
C. Glycerol
The IUPAC suffix used for _______ NC group?
Options:
- A. Cyanide
- B. Isocyanides
- C. Nitrile
- D. Carbylamines
View Answer
C. Nitrile