Options:
- A. infra red
- B. visible
- C. x-ray
- D. ultra violet
View Answer
A. infra red
Chemistry
Marsh gas is _________?
Options:
- A. Methane
- B. Ethane
- C. Hydrogen
- D. Nitrogen
View Answer
A. Methane
diamond got brilliance due to following reason?
Options:
- A. reflection
- B. refraction
- C. dispersion
- D. all
View Answer
D. all
One Water molecule can form maximum ______hydrogen bonds.
Options:
- A. 2
- B. 3
- C. 4
- D. None
View Answer
C. 4
Example of
Options:
- A.
- B. Enzymes
- C. Primary protein
- D. Secondary proteins
View Answer
B. Enzymes
Urea as a fertilizer contains:____________?
Options:
- A. 57% N
- B. 73% N
- C. 46% N
- D. 53% N
View Answer
C. 46% N
Element that have same number of neutrons are called__________?
Options:
- A. isotope
- B. isobar
- C. isotone
- D. None of these
View Answer
C. isotone
Atom is the smallest particall which is_________?
Options:
- A. Indivisible
- B. Divisible
- C. Both
- D. Non of these
View Answer
A. Indivisible
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
Which one does not give borax bead test_________________?
Options:
- A. Copper sulphate
- B. Barium sulphate
- C. Cobalt sulphate
- D. Nickel sulphate
View Answer
B. Barium sulphate