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.
Which of the following elements would produce coloured ion in agueous solution?
Calcuim
Copper
Magnesuim
Sodium
Correct answer is B
No explanation has been provided for this answer.