Options:
- A. Negative
- B. Positive
- C. May or may not be A or B
- D. none
View Answer
C. May or may not be A or B
Chemistry
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
The letters s p d and f are used to represent which quantum numbers________________?
Options:
- A. Principal
- B. Azimuthal
- C. Magnetic
- D. Spin
View Answer
B. Azimuthal
Quantum number which tells the energy of electron is________________?
Options:
- A. n
- B. 1
- C. m
- D. s
View Answer
A. n
Solubility product of AgCl is 2.0 x 10-10 mol2 dm-6. Maximum Concentration of Ag+1 ions in the solution is__________________?
Options:
- A. 2.0 x 10-10 mol dm-3
- B. 1.414 x 10-5 mol dm-3
- C. 1.0 x 10-10 mol dm-3
- D. 1.0 x 10-5 mol dm-3
View Answer
B. 1.414 x 10-5 mol dm-3
The mass of one mole of electron is________________?
Options:
- A. 1.008
- B. 0.55
- C. 0.184
- D. 1.637
View Answer
B. 0.55
Which one is not the use of silicones________________________?
Options:
- A. Lubricant
- B. Water repellent film
- C. Rubber sheet
- D. Medicine
View Answer
D. Medicine
Organic compounds that are essentially nonpolar and exhibit weak intermolecular forces have________________?
Options:
- A. Low melting points
- B. Low vapour pressure
- C. High boiling points
- D. High electrical conductivity
View Answer
A. Low melting points
C5H12 has the number of isomers ___________________?
Options:
- A. one
- B. two
- C. three
- D. four
View Answer
C. three