Phonon is Quantum of___________?A. Longitudinal wave
B. Elastic wave
C. Transverse wave
D. Electromagnetic wave
B. Elastic wave
C. Transverse wave
D. Electromagnetic wave
Chemistry Mcqs
Which gas is used for artificial ripening of green fruit ?
Which gas is used for artificial ripening of green fruit ?A. Carbon dioxide
B. Acetylene
C. Ethane
D. Ethylene
B. Acetylene
C. Ethane
D. Ethylene
Ethylene plays a vital role in the natural ripening of fruits. It is a hormone produced naturally within the fruits to stimulate ripening process. Ethylene, being a natural hormone, does not pose any health hazards to consumers, the guidance note points out.
Barret esophagus is good example of__________?
Barret esophagus is good example of__________?
A. Atrophy
B. Dysplasia
C. Metaplasia
D. Hypertrophy
E. Hyperplasia
Which of the following is solid?
Which of the following is solid?A. Water
B. Stone
C. Both
D. None
B. Stone
C. Both
D. None
The number of ions produced by [Pt(NH3)]Cl2?
The number of ions produced by [Pt(NH3)]Cl2?A. 4
B. 2
C. 3
D. 5
B. 2
C. 3
D. 5
The practical problem in Hydrogen production is it:______________?
The practical problem in Hydrogen production is it:______________?
A. Weight
B. Valency
C. Size
D. Chemical property
Radiations are harmful as it:___________?
Radiations are harmful as it:___________?
A. Causes skin cancer
B. Causes anemia
C. Alters body tissue
D. is unstable
Soil pollution is caused by:_________?
Soil pollution is caused by:_________?
A. Aerosol
B. Ozone
C. Acid rain
D. PAN
What are the metal bearing rocks called?
What are the metal bearing rocks called?
A. Bitumen
B. Bauxite
C. Metalloids
D. Ores
One fathom is equal to:__________?
One fathom is equal to:__________?
A. 6 feet
B. 6 meters
C. 60 feet
D. 100 cm