Options:
- A. 6 feet
- B. 6 meters
- C. 60 feet
- D. 100 cm
View Answer
A. 6 feet
Chemistry
Benzene gives mainly_________?
Options:
- A. Addition reaction
- B. Substitution reactions
- C. Halogenation
- D. All of these
View Answer
B. Substitution reactions
The earth absorb radiation in Visible range but emit radiation at the same rate in the:
Options:
- A. Ultra voilet
- B. Gamma rays
- C. Infrared
- D. All of these
View Answer
C. Infrared
Nitrate (NO3) ions are obtained by the process of __________?
Options:
- A. Nitrification
- B. Fermentation
- C. Denitrification
- D. None of these
View Answer
A. Nitrification
The Electronegativity of Hydrogen is _____.
Options:
- A. 2.8
- B. 2.2
- C. 3.1
- D. 1.8
View Answer
B. 2.2
Oxalate ion behaves as a ________ ligand.
Options:
- A. Unidentate
- B. Bidentate
- C. Tridentate
- D. Hexadentate
View Answer
B. Bidentate
Cathode is a metalic plate where__________ takes place.
Options:
- A. Oxidation
- B. Reduction
- C. Redox
- D. Substitution
View Answer
B. Reduction
The phenomenon of negative catalysis is also known as:
Options:
- A. auto catalysis
- B. Self catalysis
- C. inhibition
- D. Enzyme catalysis
View Answer
C. inhibition
What are the metal bearing rocks called?
Options:
- A. Bitumen
- B. Bauxite
- C. Metalloids
- D. Ores
View Answer
D. Ores
The Chemical Formula of Sand is___________?
Options:
- A. Si2O3
- B. SiO2
- C. Al2O3
- D. Sr2O
View Answer
B. SiO2