Options:
- A. Adsorption chromatography
- B. Ascending chromatography
- C. Radial chromatography
- D. Descending chromatography
View Answer
B. Ascending chromatography
Chemistry
Charge of electron was measured by__________________?
Options:
- A. J.J Thomson
- B. Millikan
- C. Rutherford
- D. Perrin
View Answer
B. Millikan
Branch of chemistry that deals with the complete qualitative and quantitative analysis of a substance is___________________?
Options:
- A. Stoichio chemistry
- B. Physical chemistry
- C. Analytical chemistry
- D. Quantum chemistry
View Answer
C. Analytical chemistry
Milikan used ______________ in his atomizer?
Options:
- A. Milk
- B. Honey
- C. Oil
- D. Water
View Answer
C. Oil
Spectrum is produced due to________________?
Options:
- A. Different wavelength
- B. Different colours
- C. Different intensities
- D. all have little contribution
View Answer
A. Different wavelength
When electron jump into orbit 1 then series obtained is___________________?
Options:
- A. Lyman
- B. Paschen
- C. Pfund
- D. Brackett
View Answer
A. Lyman
Splitting of spectral lines when atoms are subjected to strong electric filed is called_________________?
Options:
- A. Zeeman effect
- B. Stark effect
- C. Photoelectric effect
- D. Compton effect
View Answer
B. Stark effect
Three quantum number have been derived from equation of____________________?
Options:
- A. de-Broglie
- B. Plancks
- C. Schrodinger
- D. Heisenberg
View Answer
C. Schrodinger
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
The atomic number of an element having maximum number of unpaired electrons in p-subshell is_______________?
Options:
- A. 7
- B. 10
- C. 12
- D. 16
View Answer
A. 7