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37 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Calcium carbonate + hydrochloric acid > ? |
Calcium carbonate + hydrochloric acid > water + carbon dioxide + calcium chloride |
Combine the two + there are 3 outcomes |
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Copper carbonate + sulphuric acid > ? |
Copper carbonate + sulphuric acid > water + carbon dioxide + copper sulphate |
3 outcomes + combine the two |
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What 2 gases make up 78% and 21% of the atmosphere? |
Nitrogen and oxygen |
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Name 2 gases that come out of volcanoes |
Water vapour and carbon dioxide |
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How did the oceans form? |
Condensed water vapour |
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How is carbon dioxide changed into oxygen? |
Photosynthesis |
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What is the test for hydrogen gas? |
Squeeky pop |
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What gas relights a glowing splint? |
Oxygen |
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What liquid turns cloudy if carbon dioxide is bubbled through? |
Limewater |
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What gas turns blue litmus, red then white? |
Chlorine |
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Name 3 types of rocks |
Sedimentary, igneous and metamorphic |
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Name a sedimentary rock |
Limestone |
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How are sedimentary rocks formed? |
Sediments build up over time and squeeze out the water to make a rock |
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What are fossils? |
Remains of dead animals |
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How are metamorphic rocks formed? |
Heat and pressure |
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Name a metamorphic rock |
Marble |
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Which rocks are formed from liquid magma? |
Igneous rocks |
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Why are the crystal sizes different? |
Because of the time it takes to cool(fast cooling = small crystals) and if they are intrusive or extrusive |
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Describe a use for chlorine |
It can be used in pools |
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What is an ore? |
A rock which contains metal |
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What is oxidation? |
A process where oxygen is added |
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What is reduction? |
A process where the oxygen is removed |
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What is crude oil? |
A mixture of hydrocarbons |
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What are hydrocarbons ? |
Carbon and hydrogen only |
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Fractional distillation of crude oil in order and a use for each of them |
Refinery gas ( cooking ) Petrol ( car fuel ) Kerosene ( jet fuel ) Diesel ( fuel for large trucks ) Oil (?) Bitumen ( making roads ) |
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What type of combustion requires lots of oxygen? |
Complete combustion |
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What type of combustion makes carbon monoxide or soot? |
Incomplete combustion |
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Why is crude oil a non - renewable resource? |
It would take a very long period of time to produce again after it runs out |
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Which chemical turns bromine water colourless? |
Alkenes |
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What is cracking? |
Splitting up long chained hydrocarbons |
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What is a use for ethene? |
Ethanol |
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What does non - biodegradable mean? |
It cannot be broken down by nature |
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How is acid rain formed? |
When fossil fuel is burnt, sulfur dioxide is released, it then goes into the clouds and mixes with rainwater to form acid rain |
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What causes global warming? |
Greenhouse gases |
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What is one advantage or recycling? |
Reduced amount of wasted resources |
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What is a compund? |
Atoms joined together |
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What does the term electrolysis mean? |
Splitting up with electricity |
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