Who Wants To Be A Millionaire? Limestone Edition
Question 1
What is the chemical formula of limestone? A CaO B Ca(OH)2 C CaCO3 D CaCO2
Answer
£100
Question 2
How is quicklime formed from limestone? A Heating B Adding water C Mixing with clay D Mixing with sand
Answer
£200
Question 3
Calcium oxide is formed by what type of reaction? A reduction B oxidation C thermal decomposition D addition
Answer
£300
Question 4
What is the common name for calcium hydroxide? A lime B quicklime C limewater D slaked lime
Answer
£500
Question 5
Compared to limestone slaked lime is… A stronger acid B stronger alkali C neutral D weaker alkali
Answer
£1,000
Question 6
The products formed in a lime kiln are: A CaO + CO2 B CaO + H2O C CaO + CO D CaO2 + CO2
Answer
£2,000
Question 7
Which of the following is limestone not used for? A Making cement B Making glass C Building D Acidifying lakes
Answer
£4,000
Question 8
Cement is made from? A clay and limestone B clay and soda C clay and quicklime D clay and slaked lime
Answer
£8,000
Question 9
Glass is produced from.. A soda, clay and limestone B soda, sand and limestone C clay, sand and limestone D cement, soda and limestone
Answer
£16,000
Question 10
Limestone in the Peak District was formed how long ago? A 100 million years B 200 million years C 300 million years D 400 million years
Answer
£32,000
Question 11
Quicklime reacts with water to produce.. A Soda B Limestone C Slaked lime D Calcium oxide
Answer
£64,000
Question 12
Concrete is formed when sand is mixed with.. A water, cement & lime B water, cement & gravel C water, lime and clay D water, cement and clay
Answer
£125,000
Question 13
A calcium dioxide B quicklime C calcium hydroxide D limewater Calcium oxide + water ? A calcium dioxide B quicklime C calcium hydroxide D limewater
Answer
£250,000
Question 14
An example of a type of sedimentary rock is.. A marble B slate C basalt D mudstone
Answer
£500,000
Question 15
The chemical name for limewater is A calcium hydroxide solution B calcium oxide solution C calcium carbonate solution D calcium hydroxide
Answer
£1,000,000