Question

Classify the followings into elements, compounds and mixtures

a. Sodium

b. Soil

c. Sugar solution

d. Silver

e. Calcium carbonate

f. Tin

g. Silicon

Answer 1

Solution:
(Some extra examples are also given along with your questions)
ELEMENTS:
1.Sodium(Na)
2.Silver(Ag)
3.Tin(Sn)
4.Silicon(Si)
COMPOUNDS:
1. Calcium carbonate :${\mathrm{CaCO}}_3$
2. Soap:$\mathrm{C}17{\mathrm{H}}_{35}\mathrm{COONa}$
3. Methane:${\mathrm{CH}}_4$
4. Carbon dioxide:${\mathrm{CO}}_2$
MIXTURES:
1. Soil
2. Sugar Solution
3. Coal
4. Air
5. Blood
More details about
Elements, Compounds, and mixture
Elements:
An element is a substance that cannot be split up into two or simpler substances by the usual chemical methods of applying heat, light, or electric energy.
An element cannot be split up into two or simpler substances because it is made of only one kind of atom.
Compounds:
A compound is a substance made up of two or more elements chemically combined in a fixed proportion by mass.
A compound cannot be separated into its component by physical methods.
Mixtures:
A mixture is a substance that consists of two or more elements that are compounds not chemically combined together. All the solutions or mixtures.