Chemistry MCQS

271. Identify the correct statement among the following?
A. Catalyst influences the rate of forward and backward reaction equally.
B. Catalyst decreases the rate of forward reaction
C. Catalyst increases the rate of forward reaction
D. Catalyst increases the rate of backward reaction

272. Which one of the following aqueous solutions is the conductor of electricity?
A. Water
B. HCL
C. Glucose
D. NaOH

273. Why is pure water a non-conductor of electricity?
A. Water is almost unionized
B. Water is neutral
C. Water is completely ionized
D. None of the above

274. Colloids are examples of which equilibria?
A. Suspension
B. Heterogeneous equilibria
C. Homogeneous equilibria
D. All of the above

275. Preparation of ice cream is:
A. Excessive cooling
B. Colloids
C. Coagulation
D. Peptization

276. Which metal has the highest electrical conductivity?
A. Aluminium
B. Silver
C. Gold
D. Copper

277. When reactants are added, then the rate of reaction:
A. Increases
B. Decreases
C. Neither increases nor decreases
D. None of the above

278. The rate of the chemical reaction is __ when it proceeds.
A. Increases
B. Decreases
C. Neither increases nor decreases
D. None of the above

279. Resonating structure cannot be?
(A) Ionized
(B) Magnetized
(C) Separated
D. None of the above

280. What is called pressure vs temperature equation?
(A) Best equation
(B) Fred Luck equation
(C) Langmuir equation
D. None of the above