Chemistry JAMB, WAEC, NECO AND NABTEB Official Past Questions

Which of these radioactive elements is commonly used as a nuclear fuel

A major source of oxide of nitrogen is from the burning of

Rare gases are stable because they

Which of the following types of alkanols undergo oxidation to produce alkanoic acids.

I. Primary alkanols
II. Secondary alkanols
III. Tertiary alkanols

Hydrogen can be displaced from a hot alkaline solution by

Which of the following ions  requires the largest quantity of electricity for discharge at an electrode?

A fixed mass of gas occupies 92cm3 at 3°C. What will be its volume at 18C if the pressure remains constant?

P1V1 = P2V2 supports ?

Tartaric acid is used industrially to

A liquid that will dissolve fat is

In the production of soap, concentrated sodium chloride solution is added to

Which of the following metals burns with brick red

The above orbital diagram shown the electronic configuration of

A suitable reagent for distinguish between ethanoic and ethanol is

Flow of current in electrolytes is due to the movement of

Cathode rays cause an object placed behind a perforated anode to cast a shadow on the screen. This observation shows that the rays

An elements used in production of matches is

The weakest attractive force that can be observed between two molecules is

Which of the noble gases has the greatest ionization energy

Atomicity of ozone is

When salt loses its water of crystallization to the atmosphere on exposure, the process is said to be