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hydrogen can reduce copper oxide but not aluminium oxide . explain
asked
Dec 13, 2023
in
Chemistry Form 1
by
0114520XXX
acids
bases and indicators
0
votes
1
answer
sample of pH solution of onion
asked
Dec 4, 2023
in
Chemistry Form 1
by
0726987XXX
introduction to chemistry
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2
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what is Boyle's law
asked
Nov 22, 2023
in
Chemistry Form 3
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0745988XXX
gas laws
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1
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what is Boyle's law
asked
Nov 22, 2023
in
Chemistry Form 3
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0745988XXX
gas laws
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votes
1
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Describe how to prepare a solid sample lead (II) chloride
asked
Nov 22, 2023
in
Chemistry Form 2
by
0745988XXX
salts
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0
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Describe how to prepare a solid sample lead (II) chloride
asked
Nov 22, 2023
in
Chemistry Form 2
by
0745988XXX
salts
0
votes
1
answer
Describe how to prepare a solid sample lead (II) chloride
asked
Nov 22, 2023
in
Chemistry Form 2
by
0745988XXX
salts
0
votes
1
answer
Describe how to prepare a solid sample lead (II) chloride
asked
Nov 22, 2023
in
Chemistry Form 2
by
0745988XXX
salts
0
votes
5
answers
What happens to ionic radius across the period
asked
Nov 5, 2023
in
Chemistry Form 2
by
0748185XXX
chemical families: patterns in properties
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3
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what is it when atomic radius is bigger than ionic radius
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Nov 5, 2023
in
Chemistry Form 2
by
0748185XXX
chemical families: patterns in properties
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votes
1
answer
what is it when atomic radius is bigger than ionic radius
asked
Nov 5, 2023
in
Chemistry Form 2
by
0748185XXX
chemical families: patterns in properties
0
votes
3
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what is it when atomic radius is bigger than ionic radius
asked
Nov 5, 2023
in
Chemistry Form 2
by
0748185XXX
chemical families: patterns in properties
0
votes
1
answer
what is the lattice energy
asked
Nov 3, 2023
in
Chemistry Form 3
by
0724925XXX
gas laws
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votes
1
answer
what is the lattice energy
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Nov 3, 2023
in
Chemistry Form 3
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0724925XXX
organic chemistry one
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what is the lattice energy
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Nov 3, 2023
in
Chemistry Form 3
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0724925XXX
the mole: formulae and chemical equations
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what is the lattice energy
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Nov 3, 2023
in
Chemistry Form 3
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0724925XXX
the mole: formulae and chemical equations
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1
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In an experiment a mixture of 126.0cm3 of nitrogen gas and 120.0cm3 of hydrogen gas was heated in the presence of iron catalyst. Determine the composition of the final gaseous mixture.
asked
Oct 30, 2023
in
Chemistry Form 3
by
0758752XXX
gas laws
0
votes
0
answers
In an experiment a mixture of 126.0cm3 of nitrogen gas and 120.0cm3 of hydrogen gas was heated in the presence of iron catalyst. Determine the composition of the final gaseous mixture.
asked
Oct 30, 2023
in
Chemistry Form 3
by
0758752XXX
gas laws
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votes
3
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standard of heat combustion
asked
Oct 28, 2023
in
Chemistry Form 4
by
0113860XXX
acids
bases and salts
standard heat of combustion
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3
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standard of heat combustion
asked
Oct 28, 2023
in
Chemistry Form 4
by
0113860XXX
acids
bases and salts
standard heat of combustion
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