Options:
- A. Ionic crystal
- B. Covalent crystal
- C. Molecular crystal
- D. Any type of crystal
View Answer
C. Molecular crystal
Chemistry
Which one of the following will be sulphonated readily ?
Options:
- A. Chlorobenzene
- B. Toluene
- C. Nitrobenzene
- D. Benzene
View Answer
B. Toluene
18g glucose is dissolved in 90g water the relative lowering in vapour pressure is equal to ___________________?
Options:
- A. 8
- B. 5.1
- C. 6
- D. one/fifty one
View Answer
D. one/fifty one
Industrial materials thermal power stations are coated with__________________?
Options:
- A. Polyester resins
- B. Epoxy paints
- C. polyamide resins
- D. Polyvinyl chloride
View Answer
B. Epoxy paints
Compound containing benzene ring in their structure are __________________?
Options:
- A. aliphatic
- B. aromatic
- C. carboxylic acid
- D. carbohydrates
View Answer
B. aromatic
Crude oil is blackish coloured liquid produced after the decay of organic matter present between_________________?
Options:
- A. earth layer
- B. mountains
- C. sedimentary rocks
- D. rocks
View Answer
C. sedimentary rocks
Pumping of water uphill is_______________?
Options:
- A. spontaneous process
- B. non-spontaneous process
- C. irreversible process
- D. reversible process
View Answer
B. non-spontaneous process
Vapour pressure of water at 100
Options:
- A. 55 mm Hg
- B. 760 mm Hg
- C. 355 mm Hg
- D. 1489 mm Hg
View Answer
B. 760 mm Hg
The phenomenon in which a compound exists in two or more crystalline forms is called ________________?
Options:
- A. Isomorphism
- B. Polymorphism
- C. Anisotropy
- D. Allotropy
View Answer
B. Polymorphism
The number of formula units in 29.25g of common salt_________________?
Options:
- A. 6.022 x 1023
- B. 3.01 x 1023
- C. 2 x NA
- D. 4 x 6.022 x 1023
View Answer
B. 3.01 x 1023