Which instrument is used to measure the viscosity.?

A. Hygrometer
B. Hydrometer
C. Anemometer
D. Viscometer

Size of colloidal particles

A. greater than true solution
B. greater than suspension
C. In b/w true solution & suspension
D. None of These

Dimethyl ketones are usually characterized through_____________?

A. Tollen’s reagent
B. Iodoform test
C. Schiff’s test
D. Benedict’s reagent

The oxidation state of cu which are expected to be diamagnetic

A. Cu+2
B. Cu+4
C. Cu+1
D. Cu+3

How much solar flux absorb by earth’s  surface is used to drive hydrologic cycle:

A. 1/2sec
B. 1/3rd
C. 1/4th
D. 1/5th

Strong Nucleophile in polar aprotic solvent?

A. Flouride ion
B. Bromide ion
C. Chloride ion
D. Iodide ion

Hydrogen bonding is present in __________?

A. Water
B. Ethyl Alcohol
C. Phenol
D. All of these

Neoprene is _______________?

A. Natural rubber
B. Vulcanized rubber
C. synthetic rubber
D. All of the above

Transition temperature for tin grey & tin white is : _____________?

A. 128.15°C
B. 18°C
C. 246.12°C
D. 96°C

Example of cross linked polymer is ____________?

A. Nylon
B. Polyester
C. bakelite
D. PVC