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Recent questions tagged elements
+2
votes
1
answer
State the informations obtained from the formula of a compound.
asked
Apr 6, 2019
by
kratos
compounds
class-6
elements
icse
symbols and formulae
+1
vote
1
answer
State what are ********. Give the names of the ******** – (a) No3 (b) OH
asked
Apr 4, 2019
by
kratos
compounds
class-6
elements
icse
symbols and formulae
+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
How is sodium chloride different from its constituent elements, sodium and chlorine ?
asked
Mar 31, 2019
by
kratos
compounds
class-6
elements
icse
symbols and formulae
+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
+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
What are elements?
asked
Mar 20, 2019
in
Mathematics
by
kratos
class-5
elements
mixtures
compounds
+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
+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
i. Complete the following chemical equation and balance it. C6 H12O6 + O2→
asked
Mar 8, 2019
in
JEE
by
kratos
compounds
cbse
jee
class-6
elements
class-10
icse
carbon and its compounds
jee mains
symbols and formulae
chemical reactions and equations
+2
votes
1
answer
The type of element-phosphorus [metallic / non-metallic / noble gas]
asked
Mar 6, 2019
by
kratos
compounds
class-6
elements
icse
symbols and formulae
+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
Give the names and symbols of the first twenty elements of the periodic table. Differentiate them into metals, non-metals, metalloids and noble gases.
asked
Mar 4, 2019
by
kratos
compounds
class-6
elements
icse
symbols and formulae
+3
votes
1
answer
Pure water is- (a) colour less (b) odour less (c) bacteria less (d) All of the above
asked
Mar 3, 2019
in
Class 10
by
kratos
compounds
class-6
elements
class-10
icse
symbols and formulae
chemical reactions and equations
+1
vote
1
answer
Fractional distillation is used to separate liquids having an appreciable difference in their 1. size and shape
asked
Mar 3, 2019
by
kratos
compounds
mixtures
elements
class-7
icse
+2
votes
1
answer
Write the principle of chromatography technique to separate mixtures in their components.
asked
Mar 2, 2019
in
JEE
by
kratos
compounds
mixtures
separation of substances
cbse
class-8
organic compounds
matter around us pure
jee
elements
class-9
icse
matter around us
jee mains
class-7
+3
votes
1
answer
What is centrifugation ? Also write the principle on which it works.
asked
Feb 26, 2019
by
kratos
compounds
mixtures
class-8
elements
class-7
icse
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