When 70cm³of 3.0 moldm³ Na₂CO₃ is added to 30cm³ of 1.0moldm³ NaHCO3,the concentration of Na⁺ ions in moldm^?3 in the solution is

• A) 1.5
• B) 4.5
• C) 2.0
• D) 3.5

How can energy loss be minimized through Eddy-current?

• A. By using high resistance wire
• B. By using insulated soft iron wires
• C. By using low resistance wires
• D. By using turns of wires

All the under listed factors directly affects the supply of a commodity except

• A. price
• B. improved production method
• C. access to capital
• D. level of income

The team rectilinear acceleration means the rate of increase of

• A. velocity along a circular path in a unit time
• B. distance along a rectangular path in a unit time
• C. displacement along a straight-line path in a unit time
• D. velocity along a straight-line path in a unit time

Consumers require protection against exploitation to ensure?

• A. adequate consumer awareness
• B. availability of products variety
• C. the sale of quality products
• D. increased aggregate demand

Which of the following is not included in the stages of interpersonal relationship

• A. rejuvenation
• B. deterioration
• C. termination
• D. continuation

The value of y for which \(\frac{1}{5}y + \frac{1}{5}< \frac{1}{2}y + \frac{2}{5}\) is

• A. \(y > \frac{2}{3}\)
• B. \(y< \frac{2}{3}\)
• C. \(y > -\frac{2}{3}\)
• D. \(y< -\frac{2}{3}\)

Explain five (5) factors that limit the powers of government.

The data for feed consumption and weighing gain of four farm animals labelled P, Q, R and S are shown below. P -50kg feed consumed and 20kg weight gained Q -90kg feed consumed and 30kg weight gained R -100kg feed consumed and 25kg weight gained S - 150kg feed consumed and 30kg weight gained.

Which of the following must efficient feed converter?

• A. P
• B. Q
• C. R
• D. S

To achieve an equilibrium position, the consumer must buy so much of each commodity whose price is equal to its

• A. marginal utility
• B. total utility
• C. average utility
• D. variable utility