Jamb Chemistry Past Questions For Year 1995
Question 11
Which of the following statements is FALSE about isotopes of the same element?
- A. They have the same number of electrons in their outermost shells
- B. They have different atomic masses
- C. They have the same atomic number and the number of electrons
- D. They have the same atomic number but different umber of elelctrons
Question 12
The ability of ionic solids is generally due to the?
- A. negative electron affinity of most atoms
- B. crystal lattice forces
- C. electron pair sharing
- D. positive ionization potentials
Question 13
In the oil drop experiment, Millikan determined the?
- A. charge to mass ratio of the electron
- B. mass of the electron
- C. charge of the electron
- D. mass of the proton
Question 14
In the process of silver-plating a metal M, the metal M is the?
- A. anode and a direct current is used
- B. cathode and an alternating current is used
- C. anode and an alternating current is used
- D. cathode and a direct current is used
Question 15
Neutralization involves a reaction between H3O+ and?
- A. CI-
- B. OH-
- C. NO3-
- D. CO32-
