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testing import teleport from other quiz

Total questions: 32

Worksheet time: 24mins

Name
Class
Date
1.

1

a)

1

b)

2

c)

3

d)

4

2.
Which of the following is a base?
a)
orange juice
b)
water
c)
vinegar
d)
dishwashing detergent
3.
Which of the following statements is correct?
a)
Blue litmus paper turns red when placed in a base.
b)
Red litmus paper turns blue when placed in a base.
c)
Blue litmus paper stays blue when placed in an acid.
d)
Red litmus paper stays red when placed in a base.
4.
 Which of the following is an acid?
a)
shampoo
b)
baking soda
c)
orange juice
d)
water
5.
Tastes bitter.
a)
Acids
b)
Bases
c)
Salts
d)
All
6.
Pure water has a pH of 7. Pure water _______.
a)
is a base
b)
is a neutral substance
c)
could be either an acid or a base
d)
is an acid
7.
Which is the stronger acid?
a)
pH 1
b)
pH 4
c)
pH 8
d)
pH 13
8.
What do acids do to red litmus paper?
a)
Turn it Red 
b)
Turn it Blue
c)
Turn it Yellow
d)
Turn it Green
9.
Which of the following is a positive for  an acid
a)
Blue Litmus paper staying blue
b)
Red Litmus paper staying red
c)
Phenolphthalein being purple
d)
Bromothymol blue turning blue
10.
What is the name of the following acid: HCl
a)
hydrochloric acid
b)
chloric acid
c)
perchloric acid
d)
chlorous acid
11.
What is the name of the following acid: H2SO4
a)
hydrosulfuric acid
b)
sulfuric acid
c)
sulfurous acid
d)
persulfuric acid
12.
What is the name of the following: NaOH
a)
sodium hydroxide
b)
sodium oxide hydrogen
c)
hydrosodium acid
d)
sodium hydrogen oxide
13.
Which food is the most acidic?
a)
bananas
b)
lemon juice
c)
orange juice
d)
fish
14.
products of a neutralisation reaction are always
a)
an acid and a base
b)
an acid and a salt
c)
salt and water
d)
salt and base
15.

Why is toothpaste alkaline?

a)

It can neutralise strong alkaline in

your mouth

b)

It can neutralise acid in

your mouth

c)

It can refresh your teeth

d)

Toothpaste is not alkaline.

16.

... are used to neutralise acid in the stomach.

a)

Toothpastes

b)

Bacterias

c)

Antacids

d)

More strong acids

17.
Pure water has a pH of 7. Pure water _______.
a)
is a base
b)
is a neutral substance
c)
could be either an acid or a base
d)
is an acid
18.
products of a neutralisation reaction are always
a)
an acid and a base
b)
an acid and a salt
c)
salt and water
d)
salt and base
19.

According to Arrhenius acid-base theory, a base ___.

a)

is an H+ acceptor

b)

is a H+ donor

c)

is a substance that produces OH- in water

d)

turns litmus paper red

20.

The conjugate acid for NH3 is

a)

NH2

b)

N

c)

H3

d)

NH4+

21.

Which of the following is the hydronium ion?

a)

H+

b)

H2O

c)

OH–

d)

H3O+

22.

According to Brønsted-Lowry acid base theory, a base ___.

a)

is a proton donor

b)

is a proton acceptor

c)

produces OH- when added to water

d)

has a bitter taste

23.
Plaster of Paris is made from
a)
Lime stone
b)
Slaked Lime
c)
Quick lime
d)
Gypsum
24.
Setting of Plaster of Paris takes place due to
a)
Oxidation
b)
Reduction
c)
Dehydration
d)
Hydration
25.
Washing soda has the formula
a)
Na2CO3.7H2O
b)
Na2CO3.10H2O
c)
Na2CO3.H2)
d)
Na2CO3
26.
BASE + ACID ----> SALT +?
a)
water
b)
oxygen
c)
hydrogen ion
d)
hydroxide ion
27.
What is the name of this ion: H3O+?
a)
helium ion
b)
hydrogen ion
c)
hepatic ion
d)
hydronium ion
28.

A drop of solution 'X' is placed on a strip of pH paper. A deep red colour is produced. The solution 'X' is

a)

NaOH

b)

HCl

c)

H2O

d)

Na2CO3

29.

Which of the following base is used in the manufacture of bleaching powder?

a)

Sodium hydroxide

b)

Calcium hydroxide

c)

Potassium hydroxide

d)

Magnesium hydroxide

30.

A colourless and odourless gas is liberated when hydrochloric acid is added to a solution of washing soda. The name of the gas is

a)

Carbon dioxide

b)

Nitrogen dioxide

c)

Sulphur dioxide

d)

Sulphur trioxide

31.

The compounds obtained on heating baking soda are

a)

Sulphur dioxide and sodium carbonate

b)

Sodium bicarbonate, water and carbon dioxide

c)

Sodium carbonate, water and carbon dioxide

d)

Hydrochloric acid and water

32.
A ___ is formed when an positive ion bonds with a negative ion.
a)
Acid
b)
base
c)
salt
d)
neutral ion

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