Options:
- A. path of reaction
- B. initial state
- C. final state
- D. initial and final state
View Answer
D. initial and final state
Chemistry
Vapour pressure is not affected by_______________?
Options:
- A. Surface area
- B. temperature
- C. intermolecular forces
- D. atmospheric pressure
View Answer
A. Surface area
Which one of the following does not show hydrogen bonding?
Options:
- A. Water
- B. Ethyl alcohol
- C. Phenol
- D. Diethyl ether
View Answer
D. Diethyl ether
The number amino acid units for each turn of helix on average are____________________?
Options:
- A. 21
- B. 23
- C. 25
- D. 27
View Answer
D. 27
2nd orbit is ___________ away from nucleus of H-atom as compared to 1st orbit is ?
Options:
- A. 2-times
- B. 3-times
- C. 4-times
- D. 6 times
View Answer
C. 4-times
The relationship between energy of a photon of light and its frequency is given by________________?
Options:
- A. de-Broglie duel nature of matter
- B. Bohrs model
- C. Plancks Quantum theory
- D. Rutherfords atomic model
View Answer
C. Plancks Quantum theory
Neutrons moving with an energy of 1.2 MeV are called_______________?
Options:
- A. Fast neutrons
- B. Slow neutrons
- C. Moderate neutrons
- D. All are possible
View Answer
A. Fast neutrons
Percentage of calcium in calcium carbonate is___________________?
Options:
- A. 80%
- B. 30%
- C. 40%
- D. 20%
View Answer
C. 40%
Which one of the following is not the mono isotopic element ?
Options:
- A. arsenic
- B. uranium
- C. iodine
- D. nickel
View Answer
B. uranium
Butyl chloride gives possible isomers ?
Options:
- A. 2
- B. 3
- C. 4
- D. 5
View Answer
C. 4