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Recent questions tagged mixtures
+2
votes
1
answer
Give reasons for the following : Sulphur and charcoal powder cannot be separated by magnetic separation.
asked
Apr 4, 2019
by
kratos
separation of mixtures
mixtures
pure substances
class-6
icse
+1
vote
1
answer
What is centrifugation ? Also write the principle on which it works.
asked
Apr 2, 2019
by
kratos
compounds
mixtures
class-8
elements
class-7
icse
+1
vote
1
answer
During filteration process the dust particles which remain on filter paper is called …….
asked
Apr 1, 2019
by
kratos
compounds
mixtures
separation of substances
class-6
elements
class-7
icse
+2
votes
1
answer
How will you separate a mixture of common salt, chalk powder and powdered camphor? Explain.
asked
Mar 31, 2019
by
kratos
compounds
mixtures
class-8
elements
class-7
icse
+2
votes
1
answer
Give one word answers for the following : 1. The solid particles which remain on the filter paper after the filtration
asked
Mar 30, 2019
by
kratos
compounds
mixtures
class-8
elements
class-7
icse
+1
vote
1
answer
What are the homogeneous and heterogeneous catalysts ? Explain with examples.
asked
Mar 26, 2019
in
Chemistry
by
kratos
separation of mixtures
mixtures
pure substances
cbse
matter around us pure
surface chemistry
class-11
class-6
icse
class-12
+2
votes
1
answer
Draw a neat labelled diagram for separation of the following mixtures. Sand and water w ithout using a filter paper
asked
Mar 24, 2019
by
kratos
separation of mixtures
mixtures
pure substances
class-6
icse
+2
votes
1
answer
A separating funnel can be used for separating a mixture of immiscible liquids. True or false ?
asked
Mar 24, 2019
by
kratos
compounds
mixtures
class-8
elements
class-7
icse
+1
vote
1
answer
Why alum is added for purification of water ?
asked
Mar 23, 2019
in
JEE
by
kratos
separation of mixtures
mixtures
separation of substances
pure substances
class-8
jee
class-6
class-7
icse
jee mains
water
p - block element
+1
vote
1
answer
What are elements?
asked
Mar 20, 2019
in
Mathematics
by
kratos
class-5
elements
mixtures
compounds
+1
vote
1
answer
List four characteristics of a mixture.
asked
Mar 18, 2019
by
kratos
separation of mixtures
mixtures
pure substances
class-6
icse
+1
vote
1
answer
The constituents of a mixture can only be separated by chemical means.
asked
Mar 15, 2019
by
kratos
compounds
mixtures
class-8
elements
class-7
icse
+2
votes
1
answer
State the principle involved in the process of sublimation.
asked
Mar 11, 2019
in
Chemistry
by
kratos
organic chemistry
separation of mixtures
mixtures
pure substances
cbse
class-11
some basic principles and techniques
class-6
icse
+3
votes
1
answer
How is sodium chloride different from its constituent elements ?
asked
Mar 11, 2019
by
kratos
compounds
mixtures
class-8
elements
class-7
icse
class-5
+1
vote
1
answer
Fill in the blanks: 1........... is an example for gaseous form.
asked
Mar 11, 2019
in
Mathematics
by
kratos
compounds
elements
mixtures
class-5
+3
votes
1
answer
Give reasons for the following : Two varieties of wheat flour cannot be separated by sieving.
asked
Mar 11, 2019
by
kratos
separation of mixtures
mixtures
pure substances
class-6
icse
+1
vote
1
answer
Which one is not observed when carbon disulphide is added to a mixture of iron fillings and sulphur powder taken in a test tube ?
asked
Mar 10, 2019
in
Class 9
by
kratos
separation of mixtures
mixtures
pure substances
cbse
class-6
class-9
icse
is matter around us pure
+1
vote
1
answer
Name the process by which the components of following mixtures can be separated. (a) Powdered glass and sugar b) Chalk powder and iron filings
asked
Mar 8, 2019
by
kratos
separation of mixtures
mixtures
pure substances
class-6
icse
+3
votes
1
answer
Classify the following into elements, compounds, and mixtures
asked
Mar 6, 2019
by
kratos
compounds
mixtures
class-8
elements
class-7
icse
class-5
+3
votes
1
answer
State the main components of the following alloys : (i) Brass. (ii) Duralumin. (iii) Bronze
asked
Mar 4, 2019
in
Class 10
by
kratos
separation of mixtures
mixtures
pure substances
class-6
class-10
icse
metallurgy
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