Chemistry MCQS

321. Which of the following properties of liquid is concerned with its internal resistance to flow:
A. Surface tension
B. Viscosity
C. Refractive index
D. Optical activity

322. Capillary action can be explained by:
A. Surface tension
B. Resistance to flow
C. Heat of vaporization
D. All

323. Drop of a liquid acquires Spherical shape because:
A. Its tendency to minimize its surface area
B. Its viscous nature
C. Its cohesive forces
D. None of those

324. Poise is the unit of:
A. Surface tension
B. Viscosity
C. Vapor pressure
D. Capillary action

325. Which of the following halides is commonly used in table salt?
a) Sodium chloride
b) Potassium chloride
c) Calcium chloride
d) Magnesium chloride

326. The halogens can displace __ from their salts.
a) Oxygen
b) Hydrogen
c) Carbon
d) Nitrogen

327. When chlorine gas reacts with water, what is produced?
a) Hydrochloric acid
b) Chlorous acid
c) Hypochlorous acid
d) Chloric acid

328. The process of using chlorine gas to disinfect drinking water and swimming pools is called:
a) Chlorination
b) Fluoridation
c) Bromination
d) Iodination

329. Which of the following is commonly used as a disinfectant and bleaching agent?
a) Fluorine
b) Chlorine
c) Bromine
d) Iodine

330. Which halogen is commonly used in photography?
a) Fluorine
b) Chlorine
c) Bromine
d) Iodine