calderglen high school 12345 678910 111213 calderglen high school 1 are metals finite or infinite...
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Calderglen High School
1
Are metals finite or
infinite resources?
answer
finite
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gold, silver, copper
answer
2
Name a metal found uncombined in the
Earth’s crust
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Give a property Give a property of metalsof metals
Conduct
electricity
Conduct heat
Strong
Malleable
Ductile
answer
3
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Calderglen High School
Give the family Give the family name forname for Group 1Group 1 metals?metals?
Alkali metals
answer
4
Na
KKLLii
Cs
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What is produced What is produced when a metal reacts when a metal reacts
with oxygen ?with oxygen ?
Metal oxideanswer
5
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Give an example of Give an example of a metal obtaineda metal obtained from its ore byfrom its ore by
electrolysiselectrolysis
Mg, Al, Na, K, Li
answer
6
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Name the Name the productsproducts of the of the
reaction between reaction between sodium and sodium and
waterwateranswer
7
sodium hydroxide and hydrogen
K2S
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Where are the Where are the metals found in the metals found in the
Periodic Table?Periodic Table?answer
8
To the LEFT hand side of the step
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Name the Name the productsproducts of of the the
reaction between zinc reaction between zinc andand
dilute sulphuric acid dilute sulphuric acidzinc sulphate zinc sulphate and hydrogen and hydrogen
gasgas
answer
9
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What is an What is an alloyalloy??
Mixture of metalsor
metals with non-metals
answer
10
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Name a Name a metalmetal which does which does NOTNOT react with dilute react with dilute
acidacidsilversilvercoppercopper
goldgold
answer
11
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Identify the Identify the twotwo alloysalloys
brass, iron, brass, iron, copper, steelcopper, steelbrassbrass and
steelsteel
answer
12
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Calculate the Calculate the percentage masspercentage mass of of
potassium in potassium potassium in potassium sulphide sulphide KK22SS
1 mol of K2S = (2 x 39) + 32 = 110Total mass of K in K2S = (2 X 39) = 78% mass = 78 x 100 = 71% 110
answer
13