11564853
Beschreibung
Quiz von Jeffrey Piggott, aktualisiert more than 1 year ago
|
Erstellt von Jeffrey Piggott
vor mehr als 6 Jahre
|
|
Frage 1
Frage
Which of the following is a chemical change?
Antworten
Frage 2
Frage
A molecule is:
Antworten
-
the smallest particle that can exist.
-
the smallest particle of an element that can exist.
-
two or more atoms chemically joined together.
-
the same as an atom.
Frage 3
Frage
When some salt is dissolved in plenty of water, which statement is most likely TRUE about the resulting solution?
Antworten
-
the solution becomes more concentrated the longer it is boiled.
-
the boiling point decreases the longer the solution is boiled.
-
the freezing point is higher than pure water.
-
the boiling point is lower than pure water.
Frage 4
Frage
Which method of separation is best to use for checking which ink was used in a fake cheque?
Antworten
-
1 filtration
-
2 crystallisation
-
3 distillation
-
4 chromatography
Frage 5
Frage
Which method of separation is best to use for removing mud in muddy water?
Antworten
-
1 Filtration
-
2 Crystallisation
-
3 Distillation
-
4 Chromatography
Frage 6
Frage
Which order of the three words matches the three substances salt, sodium, seawater ?
Antworten
-
compound, element, mixture
-
mixture, compound, element
-
element, compound, mixture
-
element, mixture, compound
Frage 7
Frage
Which is the best way to get the salt back from some salty water?
Antworten
-
Sieving
-
Using a magnet
-
Letting the water evaporate
-
Filtering
Frage 8
Frage
The best way to separate sand from iron filings is:
Antworten
-
adding water and then filtering
-
using a magnet
-
filtering
-
sieving
Frage 9
Frage
Name the PROCESS you would use to obtain a sample of SOLID SALT from some sea water
Antworten
-
Filtration
-
Electrolysis
-
Evaporation
-
Distillation
Frage 10
Frage
A boy dissolved some salt in warm water. What do we call the resulting mixture?
Antworten
-
a filtrate
-
a solution
-
a solute
-
a solvent
Frage 11
Frage
What process would be used to obtain the solvent from a solution?
Antworten
-
Chromatography
-
Distillation
-
Filtration
-
Evaporation
Frage 12
Frage
Which of the following would you use filtration for?
Antworten
-
Separating the solute from a solution
-
Making a solution more concentrated
-
Separating a suspension from a solution
-
Separating the solvent from a solution
Frage 13
Frage
Put the following processes into the correct order if you wished to obtain pure salt from rock salt.
Antworten
-
1. Evaporate the water 2. Dissolve the salt in water 3. Filter the solution
-
1. Dissolve the salt in water 2. Filter the solution 3. Evaporate the water
-
1. Filter the solution 2. Dissolve the salt in water 3.Evaporate the water
Frage 14
Frage
After filtering a mixture what do we call the liquid that drips through the filter paper?
Antworten
-
Distillate
-
Filtrate
-
Residue
Frage 15
Frage
Crude oil can be separated into different substances using what method of separation?
Antworten
-
Fractional distillation
-
Chromatography
-
Simple distillation
-
Filtration
Möchten Sie mit GoConqr kostenlos Ihre eigenen Quiz erstellen? eigenen Mehr erfahren.