Question 731:

• JAMB 1992

An increase in temperature causes an increase in pressure of a gas in a fixed volume due to an increase in the?

A. Number of molecules of the gas
B. Density of the gas molecules
C. Number of collisions between the gas molecules
D. Number of collisions between the gas molecules and the walls of the container

Question 732:

• JAMB 1992

The nucleus of the isotope tritium, contains?

A. Two neutrons with no protons
B. One neutron and one protons
C. Two neutrons and one proton
D. Two neutrons, one proton and one electron

Question 733:

• JAMB 1992

How many lone pairs of electron are there on the central atom of the H₂O molecules?

A. 1
B. 2
C. 3
D. 4

Question 734:

• JAMB 1992

¹⁴₇N + X → ¹⁷₈O + ¹₁ H. In the above reaction, X is a?

A. Neutron
B. Helium atom
C. Litgium atom
D. Deuterium atom

Question 735:

• JAMB 1992

The pollutants that are likely to be present in an industrial environment are?

A. H₂S,SO₂ and oxides of nitrogen
B. NH₃, HCI and CO
C. CO₂, NH₃ and H₂S
D. Dust, NO and CI₂