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Recent questions tagged symbols and formulae
+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
+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
+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
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
+3
votes
1
answer
The rare gases are : (a) polyatomic (b) triatomic (c) diatomic
asked
Feb 21, 2019
in
Class 11
by
kratos
compounds
class-11
class-6
elements
class-7
icse
matter around us
symbols and formulae
kinetic theory of gases
+2
votes
1
answer
The unreactive non-metallic element [chlorine / argon / sulphur]
asked
Feb 19, 2019
by
kratos
compounds
class-6
elements
icse
symbols and formulae
+3
votes
1
answer
Brass and bronze are 1. elements 2. mixtures 3. compounds 4. all of the above
asked
Feb 18, 2019
by
kratos
compounds
class-6
elements
icse
symbols and formulae
+1
vote
1
answer
Name the elements present (a) Sugar (b) Ammonia (c) Marble (d) Washing soda
asked
Feb 12, 2019
by
kratos
compounds
class-6
elements
icse
symbols and formulae
+3
votes
1
answer
Name the elements which form water. How will you justify that water is a compound ?
asked
Feb 5, 2019
by
kratos
compounds
class-6
elements
icse
symbols and formulae
+2
votes
1
answer
State two characteristics of water which prove that it is a – compound.
asked
Jan 20, 2019
by
kratos
compounds
class-6
elements
icse
symbols and formulae
+3
votes
1
answer
Write the following properties of ethene: (a) Physical state (b) Odour
asked
Jan 17, 2019
in
Chemistry
by
kratos
organic chemistry
compounds
csat
class-11
matter
petroleum
hydrocarbons
class-6
elements
icse
symbols and formulae
alkanes
+2
votes
1
answer
Fill in the blanks (a) ................. refers to the number of atoms in the molecule of an element.
asked
Jan 14, 2019
by
kratos
compounds
class-6
elements
icse
symbols and formulae
+3
votes
1
answer
Name two compounds which dissolve in water.
asked
Jan 13, 2019
by
kratos
compounds
class-6
elements
icse
symbols and formulae
+3
votes
1
answer
Give the symbols and the number of atoms of each element present in (a) sodium chloride (b) water (c) carbon dioxide (d) zinc chloride
asked
Jan 9, 2019
by
kratos
compounds
class-6
elements
icse
symbols and formulae
+2
votes
1
answer
Give the advantages of using symbols instead of names of elements or compounds.
asked
Jan 8, 2019
by
kratos
compounds
class-6
elements
icse
symbols and formulae
+1
vote
1
answer
Science Application: An atom consists of charged particles called electrons and protons.
asked
Jan 7, 2019
in
Class 12
by
kratos
compounds
neet
integers
ncert
elements
class-7
icse
class-6
symbols and formulae
atoms
nuclei
+2
votes
1
answer
Match the compounds in List I – 1 to 20 with their correct formulas from in List II – A to T. Potassium hydroxide Zn(OH)2
asked
Dec 29, 2018
by
kratos
compounds
class-6
elements
icse
symbols and formulae
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