WorksheetsCHAPTER 6: PERIODIC TABLE Science Form 1
Total questions: 20
Worksheet time: 13mins
All of the following can conduct electricity, except:
carbon
sulphur
copper
iron
there is ____ type of atom in an element.
two
one
four
three
zero
electrolysis: components in a compoud can be separated ______.
physically
chemically
the function of distillation
to separate two solid mixtures in which one of the substances is magnetic and the other is not
to separate a liquid and insoluble solid mixture
to separate soluble and insoluble materials in water
to separate a completely miscible liquid-liquid mixture that have different boiling points
physical change form new substances. True or False?
True
False
Which of the following is a physical change?
Photosynthesis
Cellular respiration
Melting of ice
Decaying of carcass
Diagram shows the set of water electrolysis.
Based on diagram, what is gas X?
(a)
What are the elements found in table salt (NaCl) that is often used for cooking?
Iron and sulphur
sodium and chlorine
Sodium and oxygen
Copper and oxygen
Which of the following is true about mercury, iron and copper at room temperature?
Brittle
Solid state
Malleable
Conduct electricity
Which of the following is the properties of compound?
Bonded chemically
Does not form new substance
Undergoes physical changes
Properties of substance and product remain the same
Diagram shows some soft drink cans.
What is the characteristic of the metal used to make this container?
Malleable
Conducts heat
High density
Ductile
Diagram below shows cables on electric poles.
What is the characteristic of the substance used to make this cable?
Ductile
Malleable
Low density
Good tensile strength
Electron is a particle with ________ charge.
negative
positive
no
'Neutral particles made up of two or more atoms' is the definition of:
element
atom
molecules
mixture
Periodic Table is an orderly arranged table of __________?
compounds
mixture
atoms
elements
Impurities can be removed from flour using magnet.
True
False
Tick examples of compounds
Why air is a mixture?
Because air is made up of different _______ or compounds, that combined _______ .
(Type your answer like this ______, ______)
(a)
Complete the word equation of compound formation below;
Iron + Oxygen —> (a)
Complete the word equation of compound formation below;
Sodium + (a) —> sodium hydroxide + hydrogen
