Limestone And Carbonates

Question 1

limestone

Answer 1

calcium carbonate

Question 2

thermal decomposition

Answer 2

when one substance chemically changes into at least 2 new substances when it’s heated

Question 3

thermal decomposition of limestone (products)

Answer 3

calcium oxide and carbon dioxide

Question 4

when metal carbonates are heated…

Answer 4

they always make a metal oxide and co2

Question 5

reactinf carbonates with acid=

Answer 5

a salt carbon dioxide and water

Question 6

sulfuric acid

Answer 6

sulfate

Question 7

hydrochloric acid

Answer 7

chloride

Question 8

nitric acid

Answer 8

nitrate

Question 9

calcium oxide formula

Answer 9

CaCO3

Question 10

calcium hydroxide=

Answer 10

calcium oxide + water

Question 11

used of calcium hydroxide

Answer 11

1.its an alkali that can be used to neutralise acidic soil
2. test for co2
the limewater will turn cloudy i2 co2 is present
cloudiness caused by the formation of calcium carbonate

Question 12

cement

Answer 12

powdered limestone heated in a kiln with clay

Question 13

mortar

Answer 13

cement mixed with sand and water

Question 14

concrete

Answer 14

cement mixed with sand and aggregate

Question 15

limestone as a building material 3

Answer 15

cheaper than granite or marble
easy to cut
very hard wearing

Question 16

problems with quarrying limstone 4

Answer 16

huge ugly holes
noise and dust in scenic areas
destroys habitats
unsightly tips