Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
9 Enviro. Chemistry
Environmental chemistry flashcards
| Question | Answer |
|---|---|
| Rain that is more acidic than usual (pH less then 5.6) due to high amounts of dissolved acidic gases. | acid rain |
| Weathering caused by plants and animals. | biological weathering |
| Weathering caused by chemicals. | chemical weathering |
| Very fine particles of rock. | clay |
| The movement of pieces of rock by the wind, water, etc. | erosion |
| A mixture of rotting plant material and animal remains found in soil. | humus |
| Calcium oxide (made by roasting limestone or chalk). | lime |
| The best soil for growing plants. Mixture of humus, clay and sand. | loam |
| A chemical found in rocks. | mineral |
| A reaction in which an acid cancels out an alkali. | neutralisation |
| A scale which measures how acidic or alkaline a solution is. | pH |
| Weathering caused by changes in temperature. | physical weathering |
| A soil that contains larger particles than clay soils.Water passes through it easily. | sandy soil |
| Depositing of broken up pieces of rock, sand and clay. | sedimentation |
| A mixture of rock fragments, humus, air, water and dissolved minerals. | soil |
| A mixture of dyes which turns different colours as the pH of a solution changes. | universal indicator |
| The break up of rocks into smaller pieces by natural processes. | weathering |
| A device fitted to a car’s exhaust to change harmful gases into harmless gases. | catalytic converter |
| A slightly acidic gas formed when carbon reacts with oxygen (and during respiration). | carbon dioxide |
| The scientific word for burning. | combustion |
| A substance that reacts with certain substances and wears them away. | corrosive |
| Acidic gases formed when nitrogen reacts with oxygen. | nitrogen oxides |
| An acidic gas formed when sulfur reacts with oxygen. | sulfur dioxide |
| A device used in power stations to remove sulfur dioxide gas from the gases coming out of the chimney. | sulfur precipitator |
| Substances released into the atmosphere which should not be in air. | air pollution |
| The gradual increase in mean (average) global temperatures. | global warming |
| The Sun’s energy being trapped by gases in the atmosphere, thought to lead to global warming. | greenhouse effect |
Created by:
Zigs.uk
Popular Chemistry sets