Jamb 2011 Chemistry Past Questions And Answers
Which of the following is NOT an alkali?
- A) NH3
- B) Mg(OH)2
- C) Ca(OH)2
- D) NaOH
The arrangement of particles in crystal lattices can be studied using
- A) X - rays
- B) γ - rays
- C) α - rays
- D) β - rays
An effect of thermal pollution on water bodies is that the
- A) volume of water reduces
- B) volume of chemical waste increase
- C) level of oxides of nitrogen increase
- D) level of oxygen reduces
N2O4(g) ↔ 2NO2(g) ΔH = +ve In the reaction above, an increase in temperature will
- A) increase the value of the equilibrium constant
- B) decreases the value of the equilibrium constant
- C) increase in the reactant production
- D) shift the equilibrium to the left
Two organic compounds K and L were treated with a few drops of Fehling's solutions respectively . K formed a brick-red precipitate while L, remains unaffected. The compound K is an
- A) alkanol
- B) alkane
- C) alkanal
- D) alkanone
What type of bond exits between an element X with atomic number 12 and Y with atomic number 17?
- A) Electrovalent
- B) Metallic
- C) Covalent
- D) Dative
An effect of thermal pollution on water bodies is that the
- A) volume of water reduces
- B) volume of chemical waste increase
- C) level of oxides of nitrogen increase
- D) level of oxygen reduces
A suitable solvent for iodine and nephthalene is
- A) carbon (IV) sulphide
- B) ethanol
- C) water
- D) benzene
CH4(g) + Cl2(g) → CH3 Cl(s) + HCl(g) The major factor that influence the rate of the reaction above is
- A) catalyst
- B) temperature
- C) concentration
- D) light
Paul commended the churches in Macedonia for giving out of their freewill to the
- A. saints
- B. poor
- C. priests
- D. sick