11564853
Descrição
Quiz por Jeffrey Piggott, atualizado more than 1 year ago
|
Criado por Jeffrey Piggott
quase 7 anos atrás
|
|
Questão 1
Questão
Which of the following is a chemical change?
Responda
Questão 2
Questão
A molecule is:
Responda
-
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.
Questão 3
Questão
When some salt is dissolved in plenty of water, which statement is most likely TRUE about the resulting solution?
Responda
-
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.
Questão 4
Questão
Which method of separation is best to use for checking which ink was used in a fake cheque?
Responda
-
1 filtration
-
2 crystallisation
-
3 distillation
-
4 chromatography
Questão 5
Questão
Which method of separation is best to use for removing mud in muddy water?
Responda
-
1 Filtration
-
2 Crystallisation
-
3 Distillation
-
4 Chromatography
Questão 6
Questão
Which order of the three words matches the three substances salt, sodium, seawater ?
Responda
-
compound, element, mixture
-
mixture, compound, element
-
element, compound, mixture
-
element, mixture, compound
Questão 7
Questão
Which is the best way to get the salt back from some salty water?
Responda
-
Sieving
-
Using a magnet
-
Letting the water evaporate
-
Filtering
Questão 8
Questão
The best way to separate sand from iron filings is:
Responda
-
adding water and then filtering
-
using a magnet
-
filtering
-
sieving
Questão 9
Questão
Name the PROCESS you would use to obtain a sample of SOLID SALT from some sea water
Responda
-
Filtration
-
Electrolysis
-
Evaporation
-
Distillation
Questão 10
Questão
A boy dissolved some salt in warm water. What do we call the resulting mixture?
Responda
-
a filtrate
-
a solution
-
a solute
-
a solvent
Questão 11
Questão
What process would be used to obtain the solvent from a solution?
Responda
-
Chromatography
-
Distillation
-
Filtration
-
Evaporation
Questão 12
Questão
Which of the following would you use filtration for?
Responda
-
Separating the solute from a solution
-
Making a solution more concentrated
-
Separating a suspension from a solution
-
Separating the solvent from a solution
Questão 13
Questão
Put the following processes into the correct order if you wished to obtain pure salt from rock salt.
Responda
-
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
Questão 14
Questão
After filtering a mixture what do we call the liquid that drips through the filter paper?
Responda
-
Distillate
-
Filtrate
-
Residue
Questão 15
Questão
Crude oil can be separated into different substances using what method of separation?
Responda
-
Fractional distillation
-
Chromatography
-
Simple distillation
-
Filtration
Quer criar seus próprios Quizzes gratuitos com a GoConqr? Saiba mais.