1.
Which of the following statements about acids are correct?
I. They turn red litmus paper blue.
II. They can be neutralized by bases.
III. Citrus fruits contains acids.
I and II only
II and III only
I and III only
I, II and III
2.
Two unknown solutions labelled A and B were brought to a JHS 3 class. It was observed that in solution A, red litmus paper changed colour to blue, whiles in solution B, red litmus paper retained its colour. What could be the content of solution A?
Car battery fluid
Salt solution
Baking soda
Orange juice
3.
A student who complained of stomach upset was given first aid with Mg(OH)2 boldly written on it. What could be the common name of the first aid the student was given?
Milk of aluminium
Milk of magnesia
Trisilicate
Martins liver salt
4.
One of the properties of acids is that they
turn wet blue litmus paper red.
have no effect on blue litmus paper.
turn wet red litmus paper blue.
are neutral to litmus paper.
5.
Which of the following substances will turn red litmus paper blue?
Hydrochloric acid
Sodium chloride solution
Sulphuric acid
Water
Sodium hydroxide
6.
An unripe orange is said to be acidic because it
has low sugar content.
has bitter taste.
turns red litmus paper blue.
turns blue litmus paper red.
7.
Which of the following substances is a salt?
H2SO4
NaOH
HCl
CaCl2
8.
Which of the following statements about acids are correct?
I. They turn red litmus paper blue
II. They can be classified as either organic or mineral acids
III. They can be neutralized by bases
I and II only
I and III only
II and III only
I, II and III
9.
The reaction between hydrochloric acid and sodium hydroxide produces
sodium oxide only.
sodium chloride only.
sodium oxide and water.
sodium chloride and water.
10.
Which of the following metals will produce a gas when placed in lime juice?
Copper
Lead
Magnesium
Silver
11.
Which of the following substances is capable of neutralizing an acid?
Vinegar
Water
Sodium chloride
Sodium hydroxide
12.
Sodium hydroxide is an example of a base because it
has sour taste.
has a pH less than 7.
turns wet blue litmus paper red.
turns wet red litmus paper blue.
13.
Which of the following substances is acidic?
Wood ash
Salt-petre
Bee strings
Bicarbonate of soda
14.
Use the information below to answer the question that follow.
A solid X reacted with a liquid Y to form a salt and water only. A portion of liquid Y turned blue litmus paper red. Solid X did not dissolve when a portion of it was placed in water and stirred.
Solid X could be said to be
an acid.
an alkali.
a base.
a salt.
15.
Use the information below to answer the question that follow.
A solid X reacted with a liquid Y to form a salt and water only. A portion of liquid Y turned blue litmus paper red. Solid X did not dissolve when a portion of it was placed in water and stirred.
Liquid Y is
an acid.
an alkali.
a base.
a metal.
16.
Use the information below to answer the question that follow.
A solid X reacted with a liquid Y to form a salt and water only. A portion of liquid Y turned blue litmus paper red. Solid X did not dissolve when a portion of it was placed in water and stirred.
If red litmus paper is placed in liquid Y, the colour of the paper will
remain the same.
change to blue.
change to purple.
become brighter.
17.
Lime juice taste sour because it is
acidic.
alkaline.
basic.
salty.
18.
Which of the following compounds is neutral to litmus paper?
HCL
H2O
NaOH
KOH
19.
When an unknown solution reacted with magnesium, a gas was produced. Which of the following solutions could be the unknown solution
Sodium chloride solution
Sodium hydroxide solution
Hydrochloric acid
Calcium nitrate solution
20.
Which of the following statements about acids correct
I. They react with the calcium carbonate to give a gas
II. They turn red litmus paper blue
III. They react with reactive metals to give a gas
IV. They turn blue litmus paper red
I, II and IV only
I, II and III only
II, III and IV only
D. I, III and IV