WorksheetsIDI-ARABA SENIOR HIGH SCHOOL 1ST TERM 2025/26 CHEMISTRY TEST SS3
Total questions: 20
Worksheet time: 10mins
An acid present in proteins is
lactic acid
amino acid
propanoic acid
palmitic acid
The reaction represented by the equation: C6H12O6 → 2C2H5OH + 2CO2 is known as
hydrolysis
condensation
oxidation
fermentation
Detergents are better than soaps for laundry because
detergents are synthetic while soaps are not.
Detergents are more soluble in water than soaps
scum is precipitated when soaps are used with hard water but not with detergents.
soaps are in bars while detergents are in powder form.
Which of the following carbohydrates does NOT usually occur in the crystalline form?
Fructose
Glucose
Cellulose
Sucrose
Locally produced soap in which wood ash is used as the base is usually soft because the wood ash contains a lot of
sodium ions
potassium ions
calcium ions
magnesium ions
Catalytic hydrogenation of oils results in the production of
soaps
detergents
margarine
butter
Which of the following is NOT correct of glucose and fructose? They
are structural isomers
reduce Fehling’s solution
can be obtained by the hydrolysis of starch
are soluble in water.
Esterification of propane-1,2,3-triol and unsaturated higher carboxylic acids will produce
fats
soap
methylpropanoate
oils
The harmful chemical that must be removed from cassava during garri production is
hydrochloric acid
hydrobromic acid
hydrocyanic acid
hydroiodic acid
Which of the following is NOT an example of polymer?
Starch
Fats and Oils
Proteins
Chitin
Glucose can be obtained from starch by
hydrogenation
hydrolysis
dialysis
dehydration
Which of the following is a disaccharide?
Fructose
Starch
Glycogen
Sucrose
The by-product of the fermentation of sugar to ethanol is
propane-1,2,3-triol
ethylethanoate
propanol
carbon(IV) oxide
A positive reaction to Fehling’s test indicates the presence of
starch
reducing sugars
oxidizing agents
alkanols
Which of the following polymers contains nitrogen?
Nylon
Polyvinylchloride
Polyethene
Cellulose
Which of the following establishments uses the process of fermentation in its operation?
Fertilizer plant
Textile industry
Brewery
Soap manufacturing industry
The reaction of sucrose with dilute HCl produces
an alkanoate
glucose and fructose
a black mass carbon
a polysaccharide
The reaction of vegetable oil with a solution of wood ash is
saponification
neutralization
hydrogenation
esterification
The condensation of several amino acids molecules gives
long chain alkanoic acids
secondary alkanols
alkanoates
proteins
Fats are classified as
hydrocarbons
alkanoates
alkanols
carbohydrates
