C1.2 Rocks and Building Materials Flashcards

1
Q

State an environmental impact of producing mortar

A

It is produced from quicklime. Quicklime is produced in a rotary kiln which produces CO2 gas and contributes to global warming.

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2
Q

Chemical Name for Limestone

A

Calcium Carbonate

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3
Q

Formula for Limewater

A

Ca(OH)2(aq)

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4
Q

Equation for thermal decomposition of magnesium carbonate

A

MgCO3(s) –> MgO(s) + CO2(g)

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5
Q

Equation for thermal decomposition of calcium carbonate

A

CaCO3(s) –> CaO(s) + CO2(g)

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6
Q

Chemical name for quicklime

A

Calcium Oxide

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7
Q

Equation for reaction of calcium oxide with water

A

CaO(s) + H2O(l) –> Ca(OH)2(aq)

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8
Q

Formula for Slaked Lime

A

Ca(OH)2(aq)

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9
Q

Equation for reaction of calcium carbonate with hydrochloric acid

A

CaCO3(s) + HCl(aq) –> CaCl2(aq) + CO2(g) + H2O(l)

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10
Q

Name the salt produced when lime stone reacts with sulphuric acid in acid rain

A

Calcium sulphate (CaSO4)

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11
Q

Equation for reaction of lime water with carbon dioxide

A

Ca(OH)2(aq) + CO2(g) –> CaCO3(s) + H2O(l)

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12
Q

Formula for Calcium Oxide

A

CaO

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13
Q

Equation for thermal decomposition of Copper Carbonate

A

CuCO3(s) –> CuO(s) + CO2(g)

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14
Q

Chemical name for slaked lime

A

Calcium Hydroxide (solid)

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15
Q

Name one environmental impact of CO2

A

Global warming/effects oceans

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16
Q

Test for carbon dioxide

A

Lime water turns cloudy/white precipitate

17
Q

Chemical Formula for Calcium Carbonate

A

CaCO3