Learn more about the properties, composition, and structure of substances (elements and compounds) with these Chemistry questions and answers. This Test can be used by students preparing for Chemistry in JAMB, WAEC, NECO or Post UTME.
Aluminium hydroxide is used in the dyeing industry as a
Salt
Dye
Mordant
Dispersant
Correct answer is C
No explanation has been provided for this answer.
The electrons in both the 2s and 2p orbitals are equivalent
The electrons in all the orbitals of carbon are equivalent
The 2s and 2p atomic orbitals hybridize
All the atomic orbitals of carbon hybridize
Correct answer is C
No explanation has been provided for this answer.
Sulphur (IV) oxide bleaches by
Reduction
Oxidation
Hydration
Adsorption
Correct answer is A
No explanation has been provided for this answer.
When steam is passed over red-hot carbon, the substances produced are
Hydrogen and trioxocarbonate (IV) acid
Hydrogen, oxygen and carbon (IV) oxide
Hydrogen and carbon (II) oxide
Hydrogen and carbon (IV) oxide
Correct answer is C
No explanation has been provided for this answer.
Which of the following gases can be collected by the method of downward delivery?
Chlorine
Oxygen
Ammonia
Hydrogen
Correct answer is A
No explanation has been provided for this answer.