Karteikarten
Chemistry
Karten in diesem Stapel (15)
- 1Is the hole open, closed of in the middle when it is on a roaring flame?It is open
- 2What happens when you put porcelain on a safety flame and then on a roaring flame?It goes black on the safety flame and then the roaring flame burns all the charcoal off.
- 3What happens when you put a splint in unburnt gas - the blue part of the flame?It does not catch alight,
- 4What is the melting point of water with salt?Around -4 degrees to -8 degrees.
- 5What is the boiling point of water with salt?Around 110 - 103 degrees.
- 6How is it possible to separate ethanol from water?If you boil them, they will separate, because they have different boiling points - ethanol's boiling point is lower than waters
- 7What are the 6 substances that fossil fuel is separated into?Refinery gas, Petrol, Naphtha, Kerosene, Diesel, Bitomen
- 8What does Naphtha do?It is put in chemicals
- 9What does kerosene do?It is fuel for aeroplanes
- 10What is the boiling point of bitomen?It is 623 degrees
- 11What is this?It is a test tube
- 12What is a soluble?It is something that can be dissolved
- 13What does solvent mean?A liquid that is capable of dissolving substances
- 14What is the job of a castle and a mortar?To crush things!!!
- 15In some experiments using chromatography, why does ethanol work but not water.Sometimes water is insoluble and ethanol is soluble for some pens
Informationen
- Beschreibung
- Karteikarten am Chemistry, erstellt von poppynb am 20/05/2014.
- Erstellt von
- poppynb
- Aufrufe
- 16
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