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.
Which of the following statements about solids is correct?
Solid particles are less orderly than those of a liquid
Solid have lower densities than liquids
Solid particles have greater kinetic energies than those of liquids
Solid particles cannot be easily compressed
Correct answer is D
No explanation has been provided for this answer.
1
2
3
4
Correct answer is B
6.02 x 1023 molecules is 1mole
1.204 x 1024 molecules will be......
\(\frac{1.204 \times 10^24 \times 1}{6.02 \times 10^23}\)
\(\frac{1.204 \times 10}{6.02}\) = \(\frac{12.04}{6.02}\) = 2moles
Conservation of mass
Definite proportion
Mass action
Multiple proportion
Correct answer is D
No explanation has been provided for this answer.
The bond formed between H2O and H+ to form the hydroxonium H3O+ is
Dative
Covalent
Electrovalent
Ionic
Correct answer is A
No explanation has been provided for this answer.
Activation energy
Bond energy
Kinetic energy
Potential energy
Correct answer is A
No explanation has been provided for this answer.