Options:
- A. 78
- B. 58
- C. 73
- D. 56
View Answer
A. 78
Chemistry
An acid-Base Reaction is always a/an __________?
Options:
- A. Endothermic
- B. Exothermic
- C. Fission
- D. Fusion
View Answer
B. Exothermic
Optic fibres are used in :
Options:
- A. CAT scans
- B. X-ray photos
- C. Ultrasound scans
- D. Endoscopy
View Answer
D. Endoscopy
During electrolysis of Water, the product obtained at cathode is ___________?
Options:
- A. Hydrogen Gas &Water
- B. Oxygen Gas &Water
- C. Only oxygen
- D. Only Water
View Answer
A. Hydrogen Gas &Water
The following alcohol does not undergo oxidation is _____________?
Options:
- A. 1
- B. 2
- C. 3
- D. 0
View Answer
C. 3
Positron has __________charge.
Options:
- A. +ve
- B. -ve
- C. Neutral
- D. None of them
View Answer
A. +ve
An alcohol which can be prepared by fermentation is_________________?
Options:
- A. CH3OH
- B. C3H7OH
- C. CH3
- D. C6H5OH
View Answer
C. CH3
The substance used in cancer therapy is___________?
Options:
- A. Fe
- B. Co
- C. Ni
- D. Rn
View Answer
B. Co
The criteria for aromaticity is presence of_________?
Options:
- A. Unsaturations
- B. Cyclic structure
- C. Presence of 4n? electrons
- D. Presence of 4n+2? electrons
View Answer
D. Presence of 4n+2? electrons
Alpha particles can be detected by using___________?
Options:
- A. Gold foils
- B. Barium sulphate
- C. Zinc sulphide screen
- D. Thin Aluminium sheet
View Answer
C. Zinc sulphide screen