Options:
- A. 40.7 KJ/mole
- B. 40.7 J/mole
- C. 40.7 cal/mole
- D. 40.7 Kcal/mole
View Answer
A. 40.7 KJ/mole
Chemistry
Which one of the following explain the shape of orbitals _________________?
Options:
- A. Principal of quantum number
- B. Azimuthal quantum number
- C. Magnetic quantum number
- D. Spin quantum number
View Answer
B. Azimuthal quantum number
Crystallites are present in_________________?
Options:
- A. crystalline solids
- B. amorphous solids
- C. liquid crystals
- D. all of the above
View Answer
B. amorphous solids
Pressure in gas discharge tube was kept________________?
Options:
- A. 10 torr
- B. 1 torr
- C. 0.1 torr
- D. 0.01 torr
View Answer
D. 0.01 torr
A malleable solid is one which can be_________________?
Options:
- A. Converted into wires
- B. Converted into thin sheets
- C. Melted easily
- D. All of the above
View Answer
B. Converted into thin sheets
Angle of deflection was studied by________________?
Options:
- A. Hitorff
- B. Stoney
- C. William Crookes
- D. J.Perrin
View Answer
D. J.Perrin
Crystalline solids can be identified easily from their ___________________?
Options:
- A. Sharp melting point
- B. Definite geometry
- C. Transition temperature
- D. Colour
View Answer
A. Sharp melting point
Positive rays give flash on________________?
Options:
- A. AgNO3 plate
- B. AgCl plate
- C. ZnO
- D. ZnS
View Answer
D. ZnS
The viscosity of solids is________________?
Options:
- A. Infinite
- B. Negligible
- C. Medium
- D. No concept of viscosity in solid
View Answer
A. Infinite
Which solids are called true solids _______________?
Options:
- A. Metallic
- B. Amorphous
- C. Crystalline
- D. Vitreous
View Answer
C. Crystalline