Options:
- A. William Crooks
- B. Fredrack Reinitzer
- C. J.J Thomson
- D. Bravis
View Answer
B. Fredrack Reinitzer
Chemistry
Bucky balls is an allotropic from of__________________?
Options:
- A. Sulphur
- B. Carbon
- C. Silica
- D. Tin
View Answer
B. Carbon
Liquid gets the shape of the container when it is poured into it. Which one of the following reasons justifies it ?
Options:
- A. Liquid do not have definite shape
- B. Liquid do not have definite volume
- C. Lieuid is highly compressible
- D. Liquid molecules can slide over each other
View Answer
D. Liquid molecules can slide over each other
Splitting of spectral lines when atom is subjected to magnetic field is called _______________?
Options:
- A. Zeemans effect
- B. Starks effect
- C. Photo electric effect
- D. Compton effect
View Answer
A. Zeemans effect
When electron jump into orbit 1 then series obtained is___________________?
Options:
- A. Lyman
- B. Paschen
- C. Pfund
- D. Brackett
View Answer
A. Lyman
Pfund series are produced in the spectrum of hydrogen atom__________________?
Options:
- A. when electrons jump down to 2nd- orbit
- B. when electrons jump down to 3rd- orbit
- C. when electrons jump down to 4th- orbit
- D. when electrons jump down to 5th- orbit
View Answer
D. when electrons jump down to 5th- orbit
Quantum number values for 3p orbitals are____________________?
Options:
- A. n=3 l=2
- B. n=3 l=0
- C. n=3 l=1
- D. n=3 l=3
View Answer
C. n=3 l=1
Ethy1 chloride on reduction in the presence of Zn/HCI produces___________________?
Options:
- A. n. butane
- B. Ethanol
- C. Ethane
- D. Diethy1 ether
View Answer
C. Ethane
Which is true about Zn-Cu galvanic cell ?
Options:
- A. Reduction occurs at anode
- B. K+ ion transfer from salt bridge to left beaker of ZnSO4
- C. Oxidation occurs at cathode
- D. Anode is negatively charged
View Answer
D. Anode is negatively charged
Hydro carbons which burn with smoky flame are called_________________?
Options:
- A. Aliphatic
- B. Alicyclic
- C. Aromatic
- D. Aldehyde
View Answer
C. Aromatic