Worksheetsperiodic table form 1
Total questions: 17
Worksheet time: 8mins
What is compound?
Two or more kinds of elements that are mixed chemically
Elements and compounds mix physically
One type of element exists
Two kinds of elements mix physically
Which of the following is an example of compound?
Oxygen
Carbon Dioxide
Hydrogen
Carbon
Which of the following is the characteristics of an mixture?
Form chemical bond
Form new substances
Physical separation method
Different properties of new substances compared to the original
Which of the following is the method to separate water and oil?
Distillation
Sedimentation
Separation using magnet
Floatation
Distillation is used to separate
a completely miscible liquid-liquid mixture that have different boiling points
an insoluble solid from a mixture of solid and liquid
separate two solid mixtures (one is magnetic and the other is not magnetic)
separate soluble and insoluble solid mixture
Name the method used to separate the coloured pigments.
Floatation
Chromatography
Distillation
Sedimentation
1. It is a non-charged particle in the atomic structure
Proton
Electron
Neutron
Which is true about molecules?
Molecules combine with different atoms such as water
The simplest molecule of matter cannot be broken down
A molecule only joins the same type of atom
Molecules unite physically
The majority of the elements in the periodic table are
Non-Metals
Metals
semi metal
Able to be beaten or hammered into shapes
dull
malleable
brittle
insulator
Which words best describe NON-METALS?
ductile, shiny, brittle
malleable, dull, brittle, ductile
brittle, dull, insulators
The type of separation that would be appropriate if you needed to separate solid particles from a liquid is....
Distillation
Filtration
Separation funnel
Crystallization
Which one of the following methods is used to separate the colors in food dyes?
sieving
sedimentation
distillation
chromatography
Which process would you use to separate solids that float from the remaining solids and other items that remain in a liquid mixture. The solids float to the top on their own or when stirred, and are then skimmed off the surface of the liquid.
Evaporation
Magnetic Attraction
Filtration
Floatation
Sifting
