Question

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

Answer 1

a.Liquid element = mercury, bromine
b.Gaseous element = oxygen, nitrogen, hydrogen
c.Solid element = sodium, carbon, aluminium
d.Homogeneous mixture = sugar in water, corn oil, blood plasma
e.Colloid = mayonnaise, milk, butter, gelatin, jelly, muddy water
f.Organic compound = proteins, glucose, urea, carbohydrates
g.Complex compound = chlorophyll, hemoglobin, cyanocobalamine
h.Inorganic compound = limestone, rust, common salt
i.Metalloid = silicon, germanium
j.Element with valency 1 = sodium, potassium, chlorine
k.Element with valency 2 = magnesium, calcium