The graph of pressure (P) against the reciprocal of the volume (I/V) in Boyles's law is a?

• A. hyperbola
• B. parabola
• C. curve
• D. straight line

Make m the subject of the relation k = \(\frac{m - y}{m + 1}\)

• A. m = \(\frac{y + k^2}{k^2 + 1}\)
• B. m = \(\frac{y + k^2}{1 - k^2}\)
• C. m = \(\frac{y - k^2}{k^2 + 1}\)
• D. m = \(\frac{y - k^2}{1 - k^2}\)

The busiest ocean trade route is the

• A. Mozambique channel
• B. Suez canal route
• C. North Atlantic route
• D. Cape route

choose the word or group of words that is nearest in meaning to the underlined word as it is used in the sentence.

Dr. Azeezdeclined the offer to chair the meeting.

• A. rescinded
• B. shunned
• C. refused
• D. avoided

The Avogadro number of 24g of magnesium is the same as that of

• A. 1g of hydrogen molecules
• B. 16g of oxygen molecules
• C. 32g of oxygen molecules
• D. 35.5g of chlorine molecules

The Security Council of the United Nations Organization has

• A. five permanent members
• B. seven permanent members
• C. four permanent members
• D. three permanent members

Merchant and selling ,artist and:

• A. picture
• B. painting
• C. paints
• D. brushes

The empirical formula of a compound containing 0.067mol Cu and 0.066mol O is [Cu = 63.5, O = 16]

• A. Cu₂O
• B. CuO
• C. CuO₂
• D. CuO₄

From the venn diagram below, the complement of the set P∩Q is given by

• A. {a, b, d, e}
• B. {b, d}
• C. {a, e}
• D. {c}

Which of the following acids would readily react with CaCO3 to liberate CO2?

• A. CH3COOH
• B. H2SO4
• C. H2SO3
• D. HNO3