WorksheetsMODULE 1 GC PRETEST
Total questions: 15
Worksheet time: 9mins
Which physical property of matter is shown when a piece of material is turned
into a thin sheet?
Stiffness
Flexibility
Elasticity
Malleability
____ is the characteristic or trait that can be observed when a matter reacts to another substance.
Intensive Physical Property
Extensive Physical Property
Chemical Property
Physical Property
. (a) is the characteristic or trait of matter that can be observed or perceived with our senses easily without changing its chemical composition.
Which of the following properties is related to mass, but not an extensive property?
Number of Atoms
Moles
Density
Potential Energy
A pot of water boils at 1000C at the same temperature as a cup of water. Is this intensive or extensive?
Intensive
Extensive
Which method(s) below is suitable to obtain salt from a salt solution?
distillation
dissolving
filtration
evaporation
The colour of plant leaves is due to a mixture of pigments.
Which method is used to separate these pigments?
filtration
evaporation
distillation
chromatography
Which of the following mixtures can be separated using the set-up shown?
sea water (made up of salt, water and some minerals)
sand and salt
drop of ink
sugar solution (made up of sugar and water)
Which household chemicals is the main ingredient in bleach or bleach products?
Sodium hypochlorite
Ammonia
Sodium bicarbonate
Sodium lauryl sulfate
Which substance is table sugar?
C2H2
C2H5OH
C12H22O11
C6H12O6
Mary wants to get the iron filings out of some fine sand, what could be used to separate these two solids?
Magnet
Sieve
Evaporation
Decantation
Which of these methods could be used to separate an insoluble solid from a soluble solids?
Mixing the mixture with hydrogen gas and then filtering it. Then evaporate the solids out.
Mixing the mixture with sand and then filtering it. Then evaporate the sand from the resulting solid
Mixing the mixture with water and then filtering it. Then evaporate the water from the resulting liquid
None of the above.
