NEW
Font size
WorksheetsMetals and Non Metals grade 8
Total questions: 25
Worksheet time: 1hrs 24mins
Phosphorus is kept in water to protect it from
nitrogen
hydrogen
oxygen
none of these
The gas liberated when water react with metal
nitrogen
oxygen
hydrogen
none of these
Which of the following do not react readily with water?
zinc
sodium
potassium
copper
Oxides of non metals are
acidic
basic
amphoteric
none of these
Highest level of conductivity is expected by
gold
aluminium
silver
none of these
Metals show
malleability
ductility
conductance
all of them
Which of these elements are a Non-Metal?
Copper
Gold
Oxygen
Non-metals are insulators, this means electricity ______ flow through them.
can
cannot
In chemistry, a displacement reaction is where
a more reactive metal displaces a less reactive metal from its compound
two reactive metals join together to form an alloy
a less reactive metal displaces a more reactive metal from its compound
a more reactive metal is removed from its compound by a less reactive metal
Look at part of the reactivity series? Which one of the following statements is correct?
zinc is more reactive than magnesium
copper is the most reactive
tin is more reactive than lead
lead is more reactive than aluminium
calcium is more reactive than iron. What will be produced when calcium sulphate and iron are mixed together?
no reaction happens so the reactants stay the same
calcium and iron sulphate
iron sulphate and hydrogen
water and iron sulphate
HIDE ANSWER
When an object changes shape when struck by a hammer.
luster
malleable
brittleness
ductile
Which one of the following Would the following result in a displacement reaction?
Iron with magnesium chloride
magnesium with iron chloride
Iron with Zinc Sulphate
gold with silver nitrate
The list which contains only metals is .......
aluminium, copper, nitrogen
iron, oxygen, hydrogen
iron, silver, aluminium
iron, sulphur, copper
Metals generally react with dilute acids to produce hydrogen gas. Which one of the following metals does not react with dilute hydrochloric acid?
magnesium
iron
aluminium
copper
Which metal produces MOST vigorous reaction when reacts with oxygen?
Aluminium
Iron
Magnesium
Potassium
Metals are sonorous in nature. What is sonorous?
Making into powder
Drawn into wires
Make sound on beating
None of these
