q1 what do each of these hazard symbols mean?...petrol kerosene diesel lubricating oil q18. ......
TRANSCRIPT
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What do each of these hazard symbols mean?
A
B
C
D
Q1
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Q2 Match the word to the definition.
The liquid that a substance
dissolves in.Solution
Solvent
Solute The special mixture formed when a substance dissolves in a liquid.
The substance which
dissolves in a liquid.
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Q3
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Q4
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Q5
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Q6The pie chart shows the different uses of iodine. Present this information in the form of a table with appropriate headings.
Iodine Uses
Medicines
Animal feeds
Photography chemicals
Catalysts
Other uses
Iodine Uses
Medicines
Animal feeds
Photography chemicals
Catalysts
Other uses
Iodine Uses
Medicines
Animal feeds
Photography chemicals
Catalysts
Other uses
35%25%
15%
10%15%
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Q7
As the number of carbons increases the octane
number…………………………..
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Q7
The octane numbers of the alkenes are ………… than those of alkanes
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Which of the substances below is/are ionic?There may be more than one!
A Ethanol (C2H5OH)
D Nitrogen hydride (NH3)
C Sodium bromide (NaBr)
B Aluminium fluoride (AlF3)
Q8
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Q9 Label the sections of the pie chart labelled
A-C below:
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Q10
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Q11
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Q12
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(ii) Plot a suitable graph of the data in the table
Q13
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Q14
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Q15
Q16
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Q17
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As the fraction gets heavier,
what happens to the:
A.Boiling Point
B.Viscosity
C.Flammability
D.Evaporation
rate
Fraction
Refinery Gases
Naphtha
Petrol
Kerosene
Diesel
Lubricating Oil
Q18
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A covalent compound contains two nitrogen atoms and four oxygen
atoms. Write the chemical formula for this compound.
Q19
Q20
Q21
Q22
Q23
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Q24
Q25
9
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Q26
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Q27
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Q28
Q29
Q30
6
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Q31
A)
B)
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Q32
6
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Q33
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Q34
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Q35
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Q36
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Q37
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Q38
6
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Q39
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Draw a line to match the name of the separation technique to
the type of mixture it is used to separate
filtration
evaporation
distillation
chromatography Used to separate an insoluble solid from a liquid.
Used to separate 2 liquids with different boiling points
Used to separate substances due to their solubility in
different solvents
Used to separate a soluble solid from a liquid.
Q40
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Q41
A
B
C
D
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Calcium carbonate fizzes up when it is added to nitric acid. This is because carbon dioxide gas is being made. Calcium nitrate and water are left in the beaker at the end of the reaction.
Write a word equation for thefollowing reaction:
Q42
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Name of acid
Name of base Name of salt
sulphuric acid sodium oxidehydrochloric acid
calcium hydroxide
nitric acid copper(II) oxide
A
B
C
Name the 3 different salts formed when the
following 3 pairs of acids and bases react.
Q43
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Q44
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Q45
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Ion Name Atom electron arrangement
Closest Noble Gas electron arrangement
Change to electrons
Ion symbol
Aluminium
Chloride
Oxygen
Lithium
Write the symbols for the ions formed by each of the 4 elements below (Note - filling in the table
will help you work out the final answers)
Q46
AB
C
D
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Complete the following word equations:
Complete combustion of hydrocarbon
Hydrocarbon + oxygen _________ + water
Incomplete combustion of hydrocarbon
Hydrocarbon + oxygen _________ + water
A
B
Q47
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5
11B
Q48
Use the nuclide notation given below to work out the number of protons, electrons and neutrons in this atom of Boron.
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Q49
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Q50