Loading [MathJax]/jax/output/HTML-CSS/fonts/TeX/fontdata.js

1.3, 1.4: Separating Mixtures

Descrição

O usuário eliminou as informações de disciplina FlashCards sobre 1.3, 1.4: Separating Mixtures, criado por Usuário eliminado em 12-03-2018.
Usuário eliminado
FlashCards por Usuário eliminado, atualizado more than 1 year ago Mais Menos
Farha Idrees
Criado por Farha Idrees aproximadamente 8 anos atrás
Farha Idrees
Copiado por Farha Idrees quase 7 anos atrás
6
0
1 2 3 4 5 (0)

Resumo de Recurso

Questão Responda
What is the difference between a compound and a mixture? A compound is joined by a chemical bond whilst a mixture is not
List some methods of separating. • sieving • filtrating • distillation • evaporation • chromatography
Define: a) miscible liquids b) immiscible liquids a) liquids that do dissolve into each other- often separated using fractional distilling b) liquids that do not dissolve into each other- for example, oil and water
What is fractional distilling? • an effective way of separating miscible liquids using a fractional column. • this is possible because of the different boiling points of the liquids in the mixture
What is the difference between simple and fractional distillation? • simple distillation is used when the substances have a significant difference in boiling points • whereas if the boiling points of the two liquids in the mixture are close, fractional distillation is more efficient
What is paper chromatography? separates mixtures of substances dissolved in a solvent as they move up a piece of chromatography paper
Why does chromatography work? The different substances are separated because of their different solubilities in the solvent used.
Where is chromatography used? It is used in the food industry and forensic science.

0 comentários

There are no comments, be the first and leave one below:

Semelhante

Simulado OAB
Alessandra S.
Funções administrativas
brunocmt
Inglês para a copa do Mundo
Alessandra S.
Revisão Para o ENEM em 20 dias
Alessandra S.
Phrasal Verbs II
GoConqr suporte .
Simulado Inglês
Marina Faria
Provas anteriores de Vestibular - Fuvest 1
GoConqr suporte .
Provas anteriores de Vestibular - Unicamp 2014 - 1
GoConqr suporte .
Guia para usar GoConqr
GoConqr suporte .
Brasil: Primeiro Reinado e Período Regencial
Professor Junior