Question

Identify which of the following is homogenous mixture or heterogeneous one. Also identify the type of constituents in mixture (e.g. gas in gas, gas in liquid, gas in solid etc.)
a. Air ($N_2+O_2$)
b. Water and Oil
c. Hydrogen in Palladium
d. Aerated Water ($C{O}_2+H_{2}O$ )
e. Chalk in water
f. Ethyl Alcohol in Water
g. Alloys e.g. brass
h. Sand + ammonium chloride
i. Mercury in amalgamated Zinc

[5 MARKS]

Answer 1

Identification of type of mixture : 2.5 Marks
Identification of constituents : 2.5 Marks

$$\begin{array}{cccc}\text{S.No.}& \text{Types of Mixture}& \text{Homogeneous Mixture}& \text{Heterogeneous Mixture}\\ 1.& \text{Gas in gas}& \text{Air}& \\ 2.& \text{Gas in liquid}& \text{Aerated water}& \\ 3.& \text{Gas in solid}& \text{Hydrogen in palladium}& \\ 4.& \text{Liquid in liquid}& \text{Ethyl alcohol + Water}& \text{Water + Oil}\\ 5.& \text{Liquid in solid}& \text{Mercury in amalgamated Zinc}& \\ 6.& \text{Solid in liquid}& \text{Sugar in water}& \text{Chalk in water}\\ 7.& \text{Solid in solid}& \text{Alloys e.g. brass}& \text{Sand + Ammonium chloride}\end{array}$$