Options:
- A. H2SO4
- B. KMnO4
- C. H2S
- D. K2CrO4
View Answer
C. H2S
Chemistry
Plasma is used in_________________?
Options:
- A. Fluorescent bulb
- B. Neon signs
- C. Lasers
- D. All of these
View Answer
D. All of these
In 1
Options:
- A. sp3
- B. sp2
- C. sp2
- D. sp3
View Answer
D. sp3
Which of the following is pseudo solid_____________________?
Options:
- A. CaF2
- B. NaCl
- C. Glass
- D. Diamond
View Answer
C. Glass
When benzene is heated in air with V2O5 at 450
Options:
- A. Phenol
- B. Maleic anhydride
- C. Glyoxal
- D. Benzoic acid
View Answer
B. Maleic anhydride
Bohrs model is contradicted by__________________?
Options:
- A. Plancks theory
- B. Dual nature of matter
- C. Heisenbergs uncertainty principle
- D. All of these
View Answer
C. Heisenbergs uncertainty principle
Which one of the following will be sulphonated readily ?
Options:
- A. Chlorobenzene
- B. Toluene
- C. Nitrobenzene
- D. Benzene
View Answer
B. Toluene
Atomic radius can be determined by_________________?
Options:
- A. X
- B. Spectrophotometer
- C. Optical microscope
- D. Electron microscope
View Answer
A. X
The unit of molality is__________________?
Options:
- A. moles dm-3
- B. moles kg-1
- C. gram dm-3
- D. none
View Answer
B. moles kg-1
Only London dispersion forces are present among the_________________?
Options:
- A. Molecules of water in liquid state
- B. Atoms of helium in gaseous state at high temperature
- C. Molecules of hydrogen chloride gas
- D. Molecules of solid iodine
View Answer
D. Molecules of solid iodine