Options:
- A. Ethylene iodide
- B. Ethylene bromide
- C. Ethylene chloride
- D. Ethylene fluoride
View Answer
B. Ethylene bromide
Chemistry
Isotopes differs in______________________?
Options:
- A. arrangement of electrons in orbitals
- B. position in the periodic table
- C. properties depend upon mass
- D. chemical properties
View Answer
D. chemical properties
On heating aldehydes with Fehlings solution we get a precipitate whose colour is_________________?
Options:
- A. pink
- B. black
- C. yellow
- D. brick red
View Answer
D. brick red
The volume occupied by 1.4g CO at S.T.P is___________________?
Options:
- A. 22.4 dm3
- B. 2.24 dm3
- C. 1.12 cm3
- D. 1.12 dm3
View Answer
D. 1.12 dm3
What is maximum number of electrons in an orbital with m (magnetic quantum number) = 3 ?
Options:
- A. 6
- B. 4
- C. 3
- D. 2
View Answer
D. 2
Which of the following set has all species isoelectronic__________________?
Options:
- A. F
- B. Li+1
- C. F
- D. H+
View Answer
C. F
Which catalyst is used in contact process ?
Options:
- A. Fe2O3
- B. V2O5
- C. SO3
- D. Ag2O
View Answer
B. V2O5
Water absorber used in combustion analysis is___________________?
Options:
- A. 50% KOH
- B. Lime water
- C. CaCl2
- D. Mg (CIO4)2
View Answer
D. Mg (CIO4)2
Which of the following elements has greater 1st ionization energy__________________?
Options:
- A. B
- B. C
- C. N
- D. O
View Answer
C. N
The type of filtering media used for filtration depending upon____________________?
Options:
- A. Nature of reactants
- B. Nature of crucible
- C. Nature of product
- D. Nature of precipitate
View Answer
D. Nature of precipitate