Options:
- A. ionization
- B. condensation
- C. fusion
- D. evaporation
View Answer
B. condensation
Chemistry
The density of water may be__________________?
Options:
- A. Equal to that of ice
- B. Greater than that of ice
- C. Less than that of ice
- D. All are possible
View Answer
B. Greater than that of ice
The amount of heat absorbed when one mole of a liquid is changed into gas at its boiling point is_____________________?
Options:
- A. Molar heat of sublimation
- B. Molar heat of fusion
- C. Molar heat of vapourization
- D. Latent heat of that liquid
View Answer
C. Molar heat of vapourization
Atomic orbits having same energy are called________________?
Options:
- A. Degenerate orbitals
- B. Bonding molecular orbitals
- C. Anti bonding molecular orbitals
- D. Half filled orbitals
View Answer
A. Degenerate orbitals
Atom cannot be divided into simple unitstheorized by________________?
Options:
- A. Rutherford
- B. Dalton
- C. Bohr
- D. Schrodinger
View Answer
B. Dalton
Which of the following technique is used for the separation of insoluble particles from liquids ?
Options:
- A. Filtration
- B. Crystallization
- C. Solvent extraction
- D. Chromatography
View Answer
A. Filtration
Which molecule has the highest bond energy among the halogens_________________?
Options:
- A. Fluorine
- B. Chlorine
- C. Iodine
- D. Bromine
View Answer
B. Chlorine
Plasma is used in_________________?
Options:
- A. Fluorescent bulb
- B. Neon signs
- C. Lasers
- D. All of these
View Answer
D. All of these
When toluene reacts with chlorine in sunlight the first major product is__________________?
Options:
- A. Benzy1 chloride
- B. Benzal dichloride
- C. O-chlorotoluene
- D. O-chlorotoluene and P-chlorotoluene
View Answer
A. Benzy1 chloride
Methane is used in power generation in chemical industries being a__________________?
Options:
- A. natural gas
- B. good caloric value
- C. cheaper
- D. All
View Answer
C. cheaper