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WorksheetsSPM 2005 (Qs1-25)
Total questions: 25
Worksheet time: 1hrs 15mins
Neils Bohr
John Dalton
James Chadwick
Ernest Rutherford
Which of the following elements are in Group 18 in the Periodic Table of Elements?
Helium and krypton
Hydrogen and oxygen
Oxygen and krypton
Helium, hydrogen and oxygen
Which of the following pairs of physical properties of sodium chloride is TRUE?
A
B
C
D
Which of the following is an electrolyte?
Acetamide
Aluminium
Ethyl propanoate
Lead (II) bromide
Which of the following is TRUE about an alkali?
an alkali is not corrosive
an alkali is a base that is soluble in water
a strong alkali has a lower pH value
a weak alkali has a high degree of ionisation
Gas X is passed through into an acidic dichromate solution. The colour of the solution changes from orange to green. What is gas X?
Sulphur dioxide
Hydrogen chloride
Nitrogen dioxide
Chlorine
Glacial ethanoic acid is put into four test tubes A,B,C and D. In which test tube does a reaction occur?
The body of an aeroplane is made of duralumin. What is the main metal in duralumin?
Iron
Copper
Aluminium
Magnesium
Why is ceramic used for the wall of a nuclear reactor?
ceramic is very hard
ceramic is malleable
ceramic is inert towards chemicals
ceramic can withstand high temperature
The diagram shows the stages in the production of sulphuric acid using contact process. What is substance X?
water
sulphur
oxygen
sulphur dioxide
The diagram shows a polymerization process. Which of the following is identical for substances R and S?
melting point
density
relative molecular mass
percentage composition
The diagram shows the energy profile of a reaction. Ea is the activation energy for this reaction. What will change the activation energy from Ea to Ea'?
temperature
catalyst
concentration
total surface area
Which of the following explains the meaning of effective collision?
the collision where its energy is less than the activation energy
the collision that has a low energy
the collision which takes place before a reaction
the collision that causes a reaction
The structural formula of two isomers are as follows. Which of the following names can be used for both isomers?
bromoethane
bromopropane
bromobutane
bromopentane
The diagram shows the set up apparatus for a reaction. What is the reaction?
esterification
cracking
dehydration
oxidation
Which of the following is the structural formula of an unsaturated hydrocarbon?
A liquid produced effervescence when reacted with sodium carbonate solution. What is the molecular formula of the liquid?
HCOOH
CH3COOCH3
CH3CH2OH
CH3COONa
The diagram shows the set up of the apparatus for the reduction of metal X oxide by hydrogen gas. What is metal X oxide?
zinc oxide
aluminium oxide
magnesium oxide
lead oxide
The diagram shows four pairs of metals in different test tubes. After one day, in which test tubes is the solution blue?
Which medicine can relieve a headache?
aspirin
cortisone
barbiturate
streptomycin
The diagram shows an experiment to study the particle theory of matter. Which of the following is the best explanation of the observation in the experiment?
agar dissolves copper (II) sulphate
copper (II) sulphate is an ionic compound
particles in copper (II) sulphate are minute and discrete
the attractive force between agar and copper (II) sulphate particles is strong
The table shows information about two types of particle. Based on the information in the table, both particles X and Y are
inert gases
negative ions
atoms of metals
isotopes of the same element
Which of the following diagrams represents the electron arrangement of an element of alkali metal?
Which of the following statements is TRUE about the two gases?
the number of moles of oxygen gas is greater than hydrogen gas
the number of moles of oxygen gas and hydrogen gas is equal
the number of oxygen gas molecules is greater than hydrogen gas molecules
the number of oxygen gas molecules is fewer than the hydrogen gas molecules
The formula for a sulphate ion is SO42- and for a nitrate is NO3-. If the formula of the sulphate of M is MSO4, what is the formula of the nitrate salt of M?
MNO3
M2NO3
M(NO3)2
M(NO3)3
