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C1 Rock&Limestone

Edexcel C1 Topic 2 Rock cycle and Limestone

QuestionAnswer
What rock is formed by the cooling of magma or lava? Igneous
When magma cools down slowly, how big are the crystals? Big
When magma cools down fast, how big are the crystals? Small
Name an igneous rock with big crystals Granite
name two sedimentary rocks made from Calcium carbonate Chalk and Limestone
Name the 4 processes to form a sedimentary rock Deposition, Compression, Compaction, Cementation
What is the name of the process when sediments settle? Deposition
What is the name of the process when sediments are pushed together? Compression
In which rocks are you most likely to find fossils? Sedimentary
What type of rock is formed when a rock is submitted to extreme heat and/or pressure? Metamorphic
Name the metamorphic rock made from Calcium Carbonate Marble
State two negative effects of quarrying Limestone Increased traffic on roads; loss of habitats
State two positive effects of quarrying Limestone Creates jobs, improves road access
Name 3 materials made from Limestone (3 uses of Limestone) Glass, cement and concrete
What is the gas formed when Limestone is heated up? Carbon Dioxide
What is the solid chemical left after Limestone has been heated up? Calcium Oxide
What is the common name for calcium oxide? Quicklime
What is the solid chemical formed when water is added to Calcium Oxide? Calcium Hydroxide
What do you observe when water is added to Calcium Oxide? Heat produced and hissing
What is the name of the solution made when Calcium Hydroxide dissolves in water? Limewater
What is the gas that makes Limewater turn cloudy? Carbon Dioxide
What are the devices placed in chimney stacks to remove acidic gases? Scrubbers
What chemicals are used in scrubbers? Calcium carbonate, or Calcium Oxide
What are Calcium Carbonate, Calcium Oxide and Calcium Hydroxide used for? Neutralisation of acidic soils
What is the common name of Calcium Hydroxide? Slaked Lime
Why do we spread Limestone or Calcium Oxide or Calcium Hydroxide on fields? 2 marks: (1) the chemicals CaO, Ca(OH)2,CaCO3 are all alkaline; (2) they will neutralise the acidic soil
Why do we use Limestone in scrubbers/on power station's chimneys? 2 marks: (1) the Limestone CaCO3 is alkaline; (2) it will neutralise the acidic gases/fumes
Is Chalk a Sedimentary, Igneous or Metamorphic Rock? Sedimentary
Is Marble a Sedimentary, Igneous or Metamorphic Rock? Metamorphic
Is Limestone a Sedimentary, Igneous or Metamorphic Rock? Sedimentary
How are Metamorphic rocks formed? When a rock is highly compressed or heated
What is the formula for Calcium Carbonate? CaCO3
What is the formula for Calcium Oxide? CaO
What is the formula for Calcium Hydroxide? Ca(OH)2
What is the word equation for the thermal decomposition of Calcium Carbonate? Calcium Carbonate --(heat)--> Calcium Oxide + Carbon Dioxide
What is the word equation for the reaction between Limewater (aka Calcium Hydroxide) and Carbon Dioxide? Calcium Hydroxide + Carbon Dioxide --> Calcium Carbonate + Water
What the word equation for the reaction between Calcium Oxide and Water? Calcium Oxide + Water --> Calcium Hydroxide
What is the common name for Calcium Carbonate? Limestone
What is the common name for Calcium Oxide? Quicklime
What is the common name for Calcium Hydroxide SOLUTION? Limewater
What is the common name for SOLID Calcium Hydroxide? Slaked Lime
What is the Scientific name of Limestone? Calcium Carbonate
What is the Scientific name of Limewater? Calcium Hydroxide SOLUTION
What is the Scientific name of QuickLime? Calcium Oxide
What is the Scientific name of Slaked Lime? SOLID Calcium Hydroxide
What is the balanced equation for the thermal decomposition of Limestone? CaCO3 --> CaO + CO2
What is the balanced equation for the bubbling of Carbon Dioxide in Limewater? Ca(OH)2 + CO2 --> CaCO3 + H2O
What is the balanced equation for the addition of water on Quicklime? CaO + H2O --> Ca(OH)2
How would you show that Copper Carbonate decomposes faster than Calcium Carbonate Heat up the Carbonate; bubble the gas produced through Limewater; the carbonate that turns milky fastest is the most easily decomposed
Created by: UrsulineChem