The rate of the hydrogen in the reaction Zn(s) + 2HCI (aq) → ZnCI 2(g) + H₂(aq) + H₂(g) can be increased by

• A. using Zinc powder instead of Zinc granules
• B. using dilute instead of concentrated hydrochloric acid
• C. cooling the container in which the mixture is placed
• D. using an alloy of zinc instead of pure zinc

The reason for the first Apostolic Council in Jerusalem was that

• A. Paul's apostleship was in dispute
• B. circumcision was enjoined on the Gentile converts as necessary for salvation
• C. the Gentiles were discriminated against at the fellowship meals
• D. the widows of the Hellenistic Jews were discriminated against in the daily ministration.

Aromatic and aliphatic hydrocarbons can be distinguished from each other by the?

• A. action of bromine
• B. use of polymerization reaction
• C. action of heat
• D. use of oxidation reaction

If a 6% decrease in price results in more than 6% decrease in quantity supplied, supply can be regarded as

• A. elastic
• B. unitary elastic
• C. perfectly inelastic
• D. perfectly elastic

Branding in marketing means?

• A. Packing a product for sale
• B. Giving unique name to a product
• C. Using another company's name
• D. Classifying products into groups

The device used in 'Light as wind on water laid' is

• A. rhyme
• B. simile
• C. onomatopeia
• D. pun

The financial institution known as a building society is

• A. commercial bank
• B. central bank
• C. mortgage bank
• D. development bank

Farmers who plant improved maize would harvest

• A. pest-infested maize grains
• B. a high yield of maize
• C. plants with long stalks
• D. maize cobs with scattered grains

The terminal velocity of a ball-bearing falling through a viscous fluid reached when the

• A) upthrust is equal to the weight of the ball
• B) ball accelerate uniformly
• C) upthrustis equal to the velocity of the ball
• D) velocity is uniform

A plane figure with ten sides and ten angles

• A. hexagon
• B. octagon
• C. decagon
• D. pentagon