Jamb Chemistry Past Questions For Year 2015
Question 11
Which of the following metals burns with brick red
- A. Pb
- B. Ca
- C. Na
- D. Mg
Question 12
The above orbital diagram shown the electronic configuration of
- A. chlorine
- B. nitrogen
- C. calcium
- D. neon
Question 13
A suitable reagent for distinguish between ethanoic and ethanol is
- A. bromine water
- B. Fehling’s solution
- C. sodium hydrogen trioxocarbonate (iv)
- D. Ammoniacal silver trioxonitrate(V)
Question 14
Flow of current in electrolytes is due to the movement of
- A. electrons
- B. Holes and electron
- C. Ions
- D. Charges
Question 15
Which of the following ions requires the largest quantity of electricity for discharge at an electrode?
- A. 2.0 mole of Q3+
- B. 2.5 mole of R2+
- C. 3.0 mole of T-
- D. 4.0 mole of Y-
