A. dilute and concentrated
B. dilute and saturated
C. saturated and unsaturated
D. saturated and supersaturated
A. moles dm-3
B. moles kg-1
C. gram dm-3
D. none
A. 4.0 x 10-8
B. 3.2 x 10-11
C. 2.0 x 10-8
D. 4.0 x 10-12
A. Kc is constant at a given temperature
B. Kc is unaffected by changes in the concentration of reactants or products
C. Kc indicates the extent of the reaction but not the rate of reaction.
D. All of the above
A. CCI4
B. CO2
C. BF3
D. none of the above
A. Fe2O3
B. V2O5
C. SO3
D. Ag2O
A. pink
B. black
C. yellow
D. brick red
A. aluminium can be recycled
B. aluminium has a very low density
C. aluminium is the most abundant metal in the earth’s crust
D. aluminium is resistant to corrosion by organic acids.