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SALTS

Total questions: 55

Worksheet time: 51mins

Name
Class
Date
1.

Which of the following statements best define the term ‘salt’?

a)

Salt is formed when metal reacts with an alkali.

b)

Salt contains sodium ions and chloride ions.

c)

Salt is formed from a weak Van der Waals’ forces of attraction.

d)

Salt is formed when the hydrogen ions in an acid is replaced by metal or ammonium ions.

2.

Which of the following reaction can produce sodium nitrate and water?

a)

Sodium chloride solution and nitric acid.

b)

Sodium sulphate solution and nitric acid.

c)

Sodium hydroxide solution and nitric acid.

d)

Sodium and dilute nitric acid.

3.

Which of the following are the physical characteristics of salt crystal?


I They have similar size.

II They have fixed angle.

III They have fixed geometrical shapes.

IV They have flat surface, straight edges and sharp angles.

a)

I, II and III

b)

I, II and IV

c)

I, III and IV

d)

II, III and IV

4.

Which of the following substances can be used to prepare copper (II) chloride by reaction with hydrochloric acid?


I Copper (II) oxide

II Copper (II) nitrate

III Copper (II) carbonate

IV Copper (II) hydroxide

a)

I, II and III

b)

I, II and IV

c)

I, III and IV

d)

II, III and IV

5.

Which of the following reagents are suitable to prepare lead (II) sulphate salt?

a)

Lead (II) oxide and sulphuric acid.

b)

Lead (II) carbonate and sulphuric acid.

c)

Lead (II) nitrate and potassium sulphate.

d)

Lead (II) chloride and sodium sulphate.

6.

Complete the following word equation:

Metal + Acid -->

a)

Salt + water

b)

Salt + hydrogen

c)

Salt + Water + Carbon dioxide

7.

Complete the following word equation:

Metalcarbonate + acid -->

a)

Salt + Hydrogen

b)

Salt + Water + Carbon Dioxide

c)

Salt + Water

8.

How do you remove the water to leave solid copper sulfate crystals?

a)

Filter

b)

Evaporate

c)

Distill

9.

What is the symbol for Copper?

a)

C

b)

co

c)

Cu

d)

CU

10.

What does the word insoluble mean?

a)

Does dissolve

b)

Doesn't dissolve

c)

Is part of a solid

11.

What colour does the solution turn when sulfuric acid is added to copper carbonate?

a)

Blue

b)

Green

c)

Clear

d)

Purple

12.
Salts that are made with hydrochloric acid are called ______________.
a)
chlorides
b)
sulfates
c)
nitrates
d)
carbonates
13.
Salts that are made with sulfuric acid are called ______________.
a)
chlorides
b)
sulfates
c)
nitrates
d)
carbonates
14.
What salt is produced if you react sodium hydroxide with hydrochloric acid?
a)
sodium hydroxide
b)
sodium sulfate
c)
sodium nitrate
d)
sodium chloride
15.

_________________ + nitric acid --> calcium nitrate + water

a)

calcium sulfate

b)

calcium oxide

c)

calcium carbonate

d)

calcium

16.
A salt is formed when nitric acid combines with sodium hydroxide. What is the name of the salt?
a)
Sodium chloride
b)
Sodium nitrate
c)
Hydrogen Nitrate
d)
Nirate
17.
The products of a neutralisation reaction are lithium sulfate and water. What is the name of the acid used to neutralise the alkali lithium hydroxide?
a)
hydrochloric acid
b)
sulfuric acid
c)
nitric acid
d)
phosphoric acid
18.
Sodium hydroxide + sulphuric acid —> ...?
a)
sodium carbonate
b)
sodium sulphate
19.

Which reactants are used to produce sodium chloride and water?

a)

sodium hydroxide and nitric acid

b)

sodium hydroxide and sulfuric acid

c)

sodium hydroxide and phosphoric acid

d)

sodium hydroxide and hydrochloric acid

20.

Which of the following salts is a not a normal salt?

a)

NaCl

b)

K2SO4

c)

NaHCO3

d)

Ca(NO3)2

21.

Which of the following salts does not exist?

a)

Aluminium carbonate

b)

Barium carbonate

c)

Ammonium carbonate

d)

Zinc carbonate

22.

What is the colour of hydrated Copper (II) sulphate?

a)

White

b)

Blue

c)

Pink

d)

Brown

23.

Calcium carbonate is a soluble salt.

a)

True

b)

False

24.

Which is the insoluble salt produced when silver nitrate reacts with potassium chloride?

a)

potassium nitrate

b)

silver chloride

25.

Complete the following word equation:

Metal + Acid -->

a)

Salt + water

b)

Salt + hydrogen

c)

Salt + Water + Carbon dioxide

26.

Which two chemicals could you react to make only potassium chloride and water?

a)

Potassium and hydrochloric acid

b)

Potassium hydroxide and hydrochloric acid

c)

Potassium oxide and sulfuric acid

d)

Potassium and sulfuric acid

27.

Which one of these is a common salts

a)

Potassium hydroxide

b)

Sodium hydrogen sulphate

c)

Basic lead chloride

d)

Calcium bicarbonate

28.

Which one of these is an acid salt

a)

Potassium hydroxide

b)

Sodium sulphate

c)

Basic lead chloride

d)

Calcium bicarbonate

29.

Which of these is a double salt

a)

Dolomite

b)

Slaked lime

c)

Sodium hydroxide

d)

Potassium hydroxide

30.

Which of these salt can be prepared by decomposition reaction?

a)

Calcium chloride

b)

sodium chloride

c)

Iron sulphide

d)

Calcium carbonate

31.

Which of these salt is prepared by precipitation reaction?

a)

Silver chloride

b)

sodium chloride

c)

Sodium hydroxide

d)

Sodium bissulphate

32.

Sodium hydroxide when exposed to the atmosphere at ordinary temperature , absorb moisture from atmosphere to become moist and ultimately dissolve in water to form a solution. What property is being exhibited by sodium hydroxide

a)

Deliquescence

b)

Hygroscopic

c)

Efflorescence

d)

dehydration

33.

Inorganic salt, white powdery compound used as a preservative

a)

Sodium carbonate

b)

Ammonium chloride

c)

Barium sulphate

d)

Potassium chloride

34.
An indicator will ______________ when it is in contact with an acid or base
a)
Bubble
b)
Form a new substance
c)
Change color
d)
Stay the same color
35.
The pH of a strong base would be:
a)
1-2
b)
5-6
c)
8-9
d)
13-14
36.
According to the image, the substance tested is a...
a)
Acid
b)
Neutral
c)
Strong Acid
d)
Base
37.
According to the image, the substance tested is a...
a)
Acid
b)
Base
c)
Neutral
d)
Strong Acid
38.
Examine the results (color change) of the pH paper shown in the picture.  What type of substance was tested?
a)
an acid
b)
a base
c)
a neutral substance
d)
none of the above
39.
One benefit of pH paper is that it...
a)
Tells you the pH of a substance
b)
Only tells you if a substance is an acid or a base
c)
It is very accurate
d)
It is expensive
40.
One benefit of Red Cabbage Juice Indicator is that it...
a)
Tells you the exact pH 
b)
Is very accurate
c)
It is very expensive
d)
It can be made from materials you have at home
41.
One drawback of pH paper is that it
a)
Only tells you if a substance is an acid or a base
b)
is very expensive
c)
has to be connected to a computer
d)
is not very accurate
42.
One drawback to a pH Meter is that it
a)
Is very expensive
b)
is not very accurate
c)
only tells you if a substance is an acid or a base
d)
is messy
43.
One benefit of a pH Meter is that it
a)
is very expensive
b)
only tells you if a substance is an acid or a base
c)
is very accurate
d)
can be made from substances you have at home
44.
What is the pH of the substance being tested?
a)
2
b)
4
c)
6
d)
8
45.
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
46.
What is the name of the following: NH3
a)
ammonia
b)
ammonium
c)
nitrogen hydride
d)
nitric acid
47.
Which food is the most acidic?
a)
bananas
b)
lemon juice
c)
orange juice
d)
fish
48.

Which solution can turn phenolphthalein pink?

a)

Sodium hydroxide

b)

Vinegar

c)

Tomato

d)

Hydrochloric acid

49.

A solution Y is colourless when phenolphthalein was added to it. It didn't change its colour even on turmeric paper. It didnot change the colour of blue litmus paper too. What is the nature of the substance Y?

a)

Acid

b)

Neutral

c)

Base

d)

Can't find with this data

50.

What is the nature of the solution present in the beaker?

a)

Alkali

b)

Acidic

c)

Neutral

d)

Water

51.

Which of the set of pH paper depicts that the dipped solution is highly acidic?

(compare with the pH scale and find out)

a)
b)
c)
52.

Which type of solution is A and B respectively?

a)

Basic and acidic

b)

Acidic and basic

c)

Basic and neutral

d)

Acidic and neutral

53.

If ​​upto (a)   of salt is soluble in 100 ml of salt, it is referred as a soluble salt

Choose from the below words
1g
199g
19 g
54.

A phenomenon in which salts reacts with water to give an acidic or an alkaline solution it is knows as ​ (a)  

Choose from the below words
hydrolysis
Water of crysalisation
Effloroscence
Hygroscopy
deli
deliquwaxwnce
55.

A certain substance are used to remove moisture fro other substance they are termed as​ (a)  

Choose from the below words
Deliquescence
Water of crysalisation
Effloroscence
Hygroscopy
Deliquescence ​ Deliquesce3nce
deliquwaxwnce\ Deliquescence ​ D

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