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WorksheetsMetals and Acids
Total questions: 42
Worksheet time: 21mins
Metal + acid ---> metal salt + hydrogen
Metal + acid ---> metal salt + hydrogen
The chemical formula for hydrochloric acid is...
HCl
H2O
HNO3
NaCl
The chemical formula for magnesium chloride is....
MgO
MgCl2
NaCl
MnCl2
The positive test result for oxygen gas, O2 is
a lit splint; gas burns with a squeaky pop
a glowing splint; the splint relights
it turns lime water milky / cloudy
it puts out a burning splint
The positive test result for carbon dioxide gas, CO2 is
a lit splint; gas burns with a squeaky pop
a glowing splint; the splint relights
it turns lime water milky / cloudy
none of these
The positive test result for hydrogen gas, H2 is
a lit splint; gas burns with a squeaky pop
a glowing splint; the splint relights
it turns lime water milky / cloudy
none of these
A gas that is much lighter (less dense) than air is....
carbon dioxide
hydrogen
oxygen
nitrogen
A gas that is much heavier (more dense) than air is....
carbon dioxide
hydrogen
oxygen
nitrogen
magnesium + hydrochloric acid → magnesium chloride + hydrogen
This is a / an....
word equation
symbol equation
mathematical equation
answer
magnesium + sulfuric acid → magnesium ________ + hydrogen
The missing word is
chloride
sulfur
salt
sulfate
Which word means "able to be bent or shaped?"
ductile
malleable
shiny
good conductor
What type of properties are hardness, high melting point and electrical conductivity?
physical properties
chemical properties
What type of properties are reaction with water and acid?
physical properties
chemical properties
What property makes metals suitable for making saucepans?
low melting point
good conductor of heat
good conductor of electricity
makes a ringing noise when hit
What property makes copper a good metal for water pipes?
high melting point
good conductor of heat
good conductor of electricity
it is an unreactive metal
What property makes copper a good metal for electrical wires?
it is malleable
good conductor of heat
good conductor of electricity
it is an unreactive metal
What does this hazard symbol mean?
irritant
flammable
corrosive
harmful
Which is the correct order of metal reactivity (most to least)?
copper iron zinc magnesium
magnesium iron zinc copper
magnesium zinc iron copper
copper zinc iron magnesium
Which is NOT a chemical change?
burning magnesium
adding acid to calcium carbonate
melting wax
burning toast
What are the rows in the Periodic table called?
columns
lines
groups
periods
What are the signs of a chemical change?
a new substance is made
there may be a colour change
the reaction might get hot (or cold)
all of these
What are the columns in the Periodic table called?
columns (of course!)
lines
groups
periods
What is true about lithium, sodium and potassium?
they are reactive metals
they are in group one of the Periodic table
they get more reactive going down the group (Group 1)
all of these
What is the electron arrangement for an atom with 16 electrons
4, 4, 4, 4
2, 8, 6
6, 8, 2
2 , 14
What is the electron arrangement for an atom with 11 electrons
2, 8, 2
10, 1
8, 2, 1
2, 8, 1
Complete the following word equation:
Metal + Acid -->
Salt + water
Salt + hydrogen
Salt + Water + Carbon dioxide
What does the word insoluble mean?
Does dissolve
Doesn't dissolve
Is part of a solid
What is the test for Hydrogen gas?
Squeaky pop
Lime water turning cloudy
Add pH paper
How do you separate an excess insoluble reactant from a solution?
Filtration
Precipitation
Crystalisation
Evaporation
The bubbles shown in the image are composed of which of the following?
hydrogen
water vapour
carbon dioxide
nitrogen
