Options:
- A. 0.12g
- B. 0.16g
- C. 0.18g
- D. 0.24g
View Answer
C. 0.18g
Chemistry
Quantum numbers are __________ ?
Options:
- A. Arithmetical values
- B. Numerical values
- C. Leometric values
- D. Logical values
View Answer
B. Numerical values
When phenol is heated with concentrated nitric acid the product is________________?
Options:
- A. Picric acid
- B. o-nitrophenol
- C. 1 3 5 -trinitro benzene
- D. p-nitrophenol
View Answer
A. Picric acid
Stainless steel contains___________?
Options:
- A. Fe+Cr+Ni
- B. Fe+Ni+Cu
- C. Fe+ Cr+Cu
- D. Cu+C+Ni
View Answer
A. Fe+Cr+Ni
Which one of the following is most acidic?
Options:
- A. Phenol
- B. P-nitrophenol
- C. O-nitrophenol
- D. M-nitrophenol
View Answer
B. P-nitrophenol
The PH of pure water at 25
Options:
- A. 0
- B. 7
- C. 14
- D. None of above
View Answer
B. 7
The law of traids is applicable to__________?
Options:
- A. Li, Be, B
- B. F, Cl, Br
- C. Cl, Br, I
- D. Na, K, Rb
View Answer
C. Cl, Br, I
The octane number of zero is assigned to____________?
Options:
- A. 2-methyl octane
- B.
- C.
- D.
View Answer
B.
Poisonous gas present in the exhaust fumes of a jet plane is__________?
Options:
- A. Flurocarbon
- B. Carbon monoxide
- C. Methane
- D. C2H2
View Answer
B. Carbon monoxide
A process used for the Concentration of Ore is________?
Options:
- A. Roasting
- B. Forth flotation
- C. Electrolysis
- D. Distillation
View Answer
B. Forth flotation