Question

Exercise
ual
3. Who are my companions ?
Group 'A'
Group ‘B'
1. Stainless steel e (a) Non-metal 6
2. Silver
(b) Compound
(c) Mixture 3
Jamie
5. Explain the difference.
fa) Metals and non-metals we s verpirup
Hoy Mixtures and compounds
to) Atoms and molecules
(d) Separation by distillation and by
separating funnel
6. Write answers to the following questions
in your own words.
(d) Element 8
fe) Alloy O
t Metal
Write the names of elements from the
Platnum
3. What are the molecular formulae of the
3. Bhajani mixture
for milling
4. Saltb
5. Coal a
6. Hydrogen de
1) How are the components of mixtures are
following symbols : Zn, Cd, Xe, Br, Ti,
separated by simple methods?
Cu, Fe,(Si, Ir, Pt.
Zinc
(b) Which elements (metals and non-
metals), compounds and mixtures do
following compoyaad?
we use in our day-to-day life?
Hydrochloric acid, sulphuric acid, sodium- Naelo in everyday life
, where and for what
purpose do we use centrifugation?
chloride, glucose, methane.
сич
(d) Where are the methods of separation
4. Give scientifici peso 6
by distillation and by separating
(a) Buttermilk is churned to get butter.
funnel used? Why?
(b) In chromatography, the ingredients of
(e) Which precaution will you take while
a mixture rise up to a limited height
using the methods of distillation and
when water rises up to the upper end
separation by separating funnel?
of the paper.
Project : Visit a jaggery or a sugar factory.
Obtain information about the methods that
(c) A wet cloth is wrapped around a water
are used to separate the components of the
storage container in summer.
mixture while making jaggery or sugar.
Present it in the class.​

Answer 1

Answer:

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