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Alhussan Chemistry — Stage 9

Chapter 10: Structure, Bonding, and Properties

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Chapter 11: Patterns in the Periodic Table

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Chapter 12: Chemical Reactions 3 and Rates

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Chapter 13: Planet Earth and Continental Drift

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Quiz

Chemistry 10.8 Life-saving compounds — Quiz

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  • Questions count: 50
  • Passing grade: B+
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1.
Young children dehydrate ____.
never
harmlessly
slowly
quickly
2.
True or false? Sodium chloride is an ionic compound.
True
False
3.
Which is the correct definition of “Medicine”?
NH3: three covalent bonds.
Substance used to treat illness.
Covalent molecule used as a painkiller.
Melted; ions can move and conduct.
4.
A 60 kg athlete loses 2% of body mass. Mass lost in kg?
12.0 kg
1.2 kg
120.0 kg
30.0 kg
5.
Sweat contains 800 mg sodium per litre. Sodium lost in 2 L?
16,000 mg
1600 mg
802 mg
400 mg
6.
A sachet has 13.5 g glucose per litre. Glucose in 200 cm³?
0.07 g
14.81 g
2.70 g
2700.00 g
7.
True or false? Diarrhoea only removes water.
True
False
8.
Which term matches this definition? “Sachet of salts and glucose mixed with water.”
Oral rehydration salts
Moseley
Steel
Charge
9.
True or false? Diarrhoea removes sodium, potassium and chloride ions.
True
False
10.
Ions lost in sweat (mg per litre). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 1
A
B
C
D
11.
Which statement is NOT correct?
Any amount of salt is safe.
Too much salt in the mixture can be harmful.
Chloride ions are negative.
Aspirin is a covalent molecule.
12.
Sweating loses water and ____.
protein
salt
sugar
fat
13.
Body mass lost during exercise with/without drink. What is the value of "Mass lost (%)" when "Time (min)" is 30?
Dr Dabour Hub Academy - figure 2
1.2
3.4
0.0
2.5
14.
Body mass lost during exercise with/without drink. At what value of "Time (min)" is "Mass lost (%)" greatest?
Dr Dabour Hub Academy - figure 3
0
30
60
90
15.
A 50 kg athlete loses 2% of body mass. Mass lost in kg?
10.0 kg
100.0 kg
25.0 kg
1.0 kg
16.
Deaths fell from 3.0 to 0.8 million. Percentage decrease?
2%
275%
27%
73%
17.
Which term matches this definition? “Condition that removes water and ions from the body.”
Dehydration
Diarrhoea
Sodium ion
Neutral atom
18.
Oral rehydration has saved ____ of lives.
hundreds
millions
no
tens
19.
Contents of a rehydration sachet (g per litre). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 4
A
B
C
D
20.
The sachet is dissolved in clean ____.
oil
water
juice
milk
21.
Child deaths from diarrhoea worldwide (millions per year). Which statement best describes the pattern?
Dr Dabour Hub Academy - figure 5
"Deaths (millions)" decreases as "Year" increases
"Deaths (millions)" stays the same
"Deaths (millions)" rises to a peak at 1980, then falls
"Deaths (millions)" increases as "Year" increases
22.
Body mass lost during exercise with/without drink. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 6
A
B
C
D
23.
Which term matches this definition? “Ion needed for nerves and water balance.”
Third shell
Sodium ion
Lubricant
Simple molecule
24.
Dehydration symptoms include ____.
fever only
dizziness
sneezing only
growth
25.
A 80 kg athlete loses 2% of body mass. Mass lost in kg?
160.0 kg
40.0 kg
1.6 kg
16.0 kg
26.
Sweat contains 900 mg sodium per litre. Sodium lost in 2 L?
450 mg
902 mg
18,000 mg
1800 mg
27.
True or false? Sodium chloride, potassium chloride and trisodium citrate are ionic compounds.
True
False
28.
Child deaths from diarrhoea worldwide (millions per year). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 7
A
B
C
D
29.
Deaths fell from 4.6 to 1.2 million. Percentage decrease?
283%
26%
74%
3%
30.
Which is the correct definition of “Aspirin”?
Positive ion.
Another name for proton number.
Covalent molecule used as a painkiller.
Sachet of salts and glucose mixed with water.
31.
Contents of a rehydration sachet (g per litre). What is the total of all the values?
Dr Dabour Hub Academy - figure 8
13.5
17.4
23.6
20.5
32.
Rehydration sachets contain sodium chloride, potassium chloride, trisodium citrate and ____.
starch
glucose
fat
protein
33.
Which is the correct definition of “Dehydration”?
Shows electrons from each atom in a bond.
Liquid containing ions that conducts.
How particles are arranged and bonded.
Dangerous loss of water from the body.
34.
True or false? In water, glucose splits into ions.
True
False
35.
True or false? Oral rehydration has saved millions of lives.
True
False
36.
Body mass lost during exercise with/without drink. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 9
A
B
C
D
37.
Ionic compounds in solution contain free ____.
atoms
molecules
electrons
ions
38.
Contents of a rehydration sachet (g per litre). What is the value for Trisodium citrate?
Dr Dabour Hub Academy - figure 10
2.3
12.5
2.5
1.3
39.
Which is the correct definition of “Sodium ion”?
Mainly iron with small amounts of carbon.
Ability to conduct heat or electricity.
Ion needed for nerves and water balance.
CH4: four covalent bonds.
40.
Which statement is NOT correct?
Diarrhoea removes sodium, potassium and chloride ions.
The sachet is dissolved in clean water.
Sodium ions help nerves work.
Rehydration salts contain fat.
41.
The water used must be ____.
clean
fizzy
salty
hot
42.
Which term matches this definition? “A drink of salts and glucose that replaces lost water and ions.”
Oral rehydration solution (ORS)
Antibiotic
Antacid
Vaccine
43.
Ions lost in sweat (mg per litre). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 11
A
B
C
D
44.
True or false? Diarrhoea takes water out of the body.
True
False
45.
Ions lost in sweat (mg per litre). What is the total of all the values?
Dr Dabour Hub Academy - figure 12
1329
2343
2865
2604
46.
Sweat contains 1000 mg sodium per litre. Sodium lost in 3 L?
3000 mg
333 mg
30,000 mg
1003 mg
47.
Which statement is correct?
Rehydration has saved few lives.
Aspirin is ionic.
Sports drinks also contain ions called electrolytes.
Chloride ions are positive.
48.
Sodium ions are ____.
neutral
negative
positive
molecules
49.
Which term matches this definition? “Salt in rehydration sachets that reduces acidity.”
Cation
Methane
Third shell
Trisodium citrate
50.
True or false? Ionic compounds in solution contain free ions.
True
False
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Part of Chapter 10: Structure, Bonding, and Properties — see every lesson and quiz in this unit.
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