NEW
Font size
S
M
L
XL
WorksheetsChemicals for Consumers
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Why sodium chloride used in the preparation of soap?
a)
To reduce the solubility of soap
b)
To speed up the reaction to produce soap
c)
To soften the soap
d)
As an additive to keep soap dry
2.
Sarah is diagnosed with tuberculosis. She was advised to take penicillin to kill the infection of bacteria. Which of the following types of medicine does penicillin belong to?
a)
Analgesic
b)
Antibiotic
c)
Hormone
d)
Psycho-therapeutic medicine
3.
Which substance is used as a food preservative?
a)
Triphenil compound
b)
sodium nitrite
c)
ascorbic acid
d)
Aspartame
4.
When soap is added into a beaker containing hard water, a white precipitate is formed. which of the following ion is responsible of the white precipitate ?
a)
Zn2+
b)
Pb2+
c)
Al3+
d)
Ca2+
5.
Texture of ice cream can be smooth by adding a food additive. Which of the following is the food additive?
a)
Lecithin
b)
Monosodium glutamate
c)
Ascorbic acid
d)
Natrium nitrite
6.
Both soap and detergent are classified as
a)
salt
b)
ester
c)
alkane
d)
alkali
7.
Which of the following functions as a filler in sauce ?
a)
Tartrazine
b)
Acacia gum
c)
Sodium benzoate
d)
Monosodium glutamate
8.
Fruits are often preserved in syrups (contain sugar). What is the function of sugar?
a)
Make the fruits sweet
b)
Remove water from fruits
c)
Poison the bacteria present
d)
Remove water from bacteria
9.
Which of the following act as dyes in food?
a)
Gelatin
b)
Tatrazine
c)
Vanilla essence
d)
Monosodium glutamate
10.
Which of the following is the function of an analgesic?
a)
To relieve pain
b)
To treat asthma
c)
To reduce coughs
d)
To kill bacteria
11.
What is the side effect of taking pain killer?
a)
Cause addiction
b)
Create overdependence
c)
Create resistant strains of bacteria
d)
Cause gastric and stomach ulcers
12.
What is the bad effect of not finishing the antibiotic prescribed by doctor ?
a)
Cause addiction
b)
Create overdependence
c)
Create resistant strains of bacteria
d)
Cause gastric and stomach ulcers
13.
Which of the following hormones is used to treat asthma?
a)
Insulin
b)
Penicillin
c)
Cortisone
d)
Amphetamine
14.
Which of the following plants is rarely used in traditional medicine?
a)
M is an alkaline
b)
M is hydrophilic
c)
Soluble in grease
d)
Reduce surface tension of water
15.
Which of the following plants is rarely used in traditional medicine?
a)
Cactus
b)
Garlic
c)
Ginger
d)
Aloe vera
16.
Which of the following is used as sweetener in diet drinks, low calories frozen desserts and soft drinks?
a)
Sucrose
b)
Aspartame
c)
Sodium nitrite
d)
Sodium benzoate
17.
Phosphates are added to detergent to
a)
soften the water
b)
remove organic stain
c)
acts as whitening agent
d)
acts as bleaching agent
18.
Stabiliser are added to detergent to
a)
remove organic stain
b)
acts as bleaching agent
c)
acts as whitening agent
d)
decrease bubbles in detergent
19.
Which of the following is not an advantage of using detergent?
a)
Environmental friendly
b)
Only small amount is required
c)
Effective even when used in hard water
d)
Function change with the type of covalent structure
20.
Which of the following medicine is not psychotherapeutic in nature?
a)
Stimulant
b)
Tranquilizer
c)
Antidepressant
d)
Streptomycin
Reset
