Give two examples each.
A.liquid element.
B. Gaseous element.
C.solid element.
D. Homogeneous mixture.
E. Colloid.
F. Organic compound.
G. Complex compound.
H. Inorganic compound.
I.metalloid.
J. Element with valency 1.
K. Element with valency 2
Give two examples each of solid fuels, liquid fuels and gaseous fuels.