subject
Chemistry, 02.12.2019 22:31 dkdk31

The statements below describe different mixtures. sort the mixtures to show how to separate them

category 1: chromatography
category 2: evaporation

the statements

- copper sulfate crystals from copper sulfate solution

-different coloured substances in leaves

-salt from salty solution

-different coloured dyes in felt-tip pen ink.

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 14:00
Write skeleton equations for the following reactions c. aluminum(s)+copper(i) chloride(aq) > aluminum chloride(aq)+copper(s)
Answers: 1
question
Chemistry, 22.06.2019 03:30
The atomic radius of sodium is 186 pm and of chlorine is 100 pm. the ionic radius for na+ is 102 pm and for cl– is 181 pm. in going from na to cl in period 3, why does the atomic radius decrease while the ionic radius increases? a. the inner electrons in the sodium cation shield its valence electrons more effectively than the inner electrons in the chloride anion do. b. the inner electrons shield the valence electrons more effectively in the chlorine atom than in the chloride anion. c. the outermost electrons in chloride experience a smaller effective nuclear charge than those in the sodium cation do. d. the outermost electrons in chloride experience a larger effective nuclear charge than those in the sodium cation do. e. monatomic ions are bigger than the atoms from which they are formed.
Answers: 2
question
Chemistry, 22.06.2019 06:00
Match the name of the following compound:   mgso4  · h2omagnesium sulfate monohydratemagnesium (ii) sulfate monohydratemagnesium (ii) sulfate hydratemagnesium sulfate hydrate
Answers: 1
question
Chemistry, 22.06.2019 07:00
Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li
Answers: 1
You know the right answer?
The statements below describe different mixtures. sort the mixtures to show how to separate them
Questions
question
Geography, 09.07.2021 18:00
Questions on the website: 13722367