Options:
- A. Alpha radiations
- B. Gamma radiations
- C. Beta radiations
- D. AOT
View Answer
B. Gamma radiations
Chemistry
Atomic number of Mn is 25 what is the electronic configuration in the ground state________________?
Options:
- A. 1s2 2s2 2p6 3s2 3p6 3d7
- B. 1s2 2s2 2p6 3s2 3p6 4s2 4p5
- C. 1s2 2s2 2p6 3s2 3p5 3d10
- D. 1s2 2s2 2p6 3s2 3p6 4s23d5
View Answer
D. 1s2 2s2 2p6 3s2 3p6 4s23d5
The radiations with negative charge are________.
Options:
- A. Alpha radiations
- B. Gamma radiations
- C. Beta radiations
- D. positron
View Answer
C. Beta radiations
Metal are highly ___________ ?
Options:
- A. Electropositive
- B. Electronegativity
- C. Both of these
- D. Neutral
View Answer
A. Electropositive
Which one of the following results in the discovery of proton.
Options:
- A. Cathode rays
- B. Canal rays
- C. X-rays
- D. Alpha rays
View Answer
B. Canal rays
Which one of the following radiation has the longer wavelength?
Options:
- A. infra red
- B. visible
- C. x-ray
- D. ultra violet
View Answer
A. infra red
Nitrate (NO3) ions are obtained by the process of __________?
Options:
- A. Nitrification
- B. Fermentation
- C. Denitrification
- D. None of these
View Answer
A. Nitrification
Hydrogen Gas can be prepared by thermal decomposition of Methane in the absence of Air at above____
Options:
- A. 500?C
- B. 700?C
- C. 900?C
- D. 1300?C
View Answer
B. 700?C
Hookworm is a parasitic worm that infects ______?
Options:
- A. large intestine
- B. liver
- C. lungs
- D. small intestine
View Answer
D. small intestine
Which of the following method is used to separate Hydrogen gas from water Gas?
Options:
- A. Bosch Process
- B. Cyber Twinkling process
- C. Palladium process
- D. Steam process
View Answer
A. Bosch Process