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WorksheetsQuiz - Finals - 202
Total questions: 21
Worksheet time: 11mins
Non-polar molecules are considered neutral because they have a/an:
even distribution of charge
parallel particle charges
self-aligning charges
fixed charges
Which part of the solution does 'Salt' represents?
solute
solvent
solution
mixture
Which part of the solution does 'Water' represents?
solute
solvent
solution
mixture
Water molecule is considered as polar molecule because it has _______:
negative charge and neutral end
a slightly negative and slightly positive end
neutral charge on both ends
it is easily dissolve by a non-polar molecule
Which type of solution would still allowed more solutes to be dissolved?
saturated
unsaturated
supersaturated
balanced
Solution that contains more than maximum of solute and have recrystallization: __________
saturated
unsaturated
supersaturated
balanced
The formula for calculating ‘concentration’ if a liquid + solid solution is represented by:
mass of solute / volume of solution
mass of solute / mass of solvent
volume of solute / volume of solution
volume of solution / mass of solute
The formula for calculating ‘concentration’ if its only either liquid or gas solution is represented by:
mass of solute / mass of solution x 100%
mass of solute / mass of solvent x 100%
vol. of solute / vol. of solution x 100%
volume of solution / mass of solute x 100%
A _________ is a mixture in which substances are not evenly mixed.
homogeneous
heterogeneous
monogeneous
isogeneous
It is another name or description for a homogeneous mixture.
isotopes
solution
bonded mixture
compound
Change needed to form and create elemental bond (2): __________
Physical
Natural
Chemical
Stable
Change needed to form another matter which are not bonded with each other (5): __________
Physical
Natural
Chemical
Stable
Consist of two or more atoms which are bonded together (3): __________
Element
Substance
Compound
Mixture
A matter that can vary in composition (6): _________
Element
Substance
Compound
Mixture
Only consist of 1 type of atom (1): __________
Element
Substance
Compound
Mixture
A matter with always the same composition (4): __________
Element
Substance
Compound
Mixture
An unevenly mixed substances (8): __________
Unstable mixture
Homogeneous
Heterogeneous
Multigeneous
Which among the following are an example of physical separation of mixture? Choose all possible answer/s
filtering
boiling
using a magnet
burning
Which among the compounds has very minimal change in solubility even the temperature kept increasing?
NaCl
Ce2(S04)3
KCl
KNO3
Which among the compounds would have a lower solubility while increasing the temperature?
KCl
KNO3
Ce2(S04)3
NaCl
Free point!
Give one (1) difference between a substance and a mixture:
