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G6 Unit 5 Final Revision Acids and Metals

Total questions: 88

Worksheet time: 1hrs 28mins

Name
Class
Date
1.

Iron is a good conductor, malleable and magnetic. What type of element is Iron?

a)

Metal

b)

Non-metal

c)

Metalloid

d)

None of the above

2.

What is an ore?

a)

a solid metal

b)

a rock cantaining a metal combined with other elements

c)

an element

d)

an object used to row a boat

3.

What is not a property of a metal?

a)

Ductile

b)

Sonorous

c)

Malleable

d)

Low melting point

4.

What is not a property of a metal?

a)

Ductile

b)

Sonorous

c)

Malleable

d)

Low melting point

5.
Which of these grouping of elements could have the characteristic of luster (shiny)?
a)
Metal
b)
Nonmetal
c)
metalloids
d)
Both metals and metalloids
6.
All of the following would classify an element as a metal except?
a)
Dull
b)
Luster
c)
Malleable
d)
Hard
7.
Which of the following is a property of a non-metal?
a)
Conducts electricity and heats well
b)
Can be hammered into thin sheets
c)
Is brittle and breaks easily
d)
Has a shiny, metallic luster
8.
How do metals differ from nonmetals?
a)
metals are shiny, nonmetals are dull
b)
metals are good insulators, nonmetals are good conductors
c)
metals are powdery
d)
nonmetals are shiny
9.

Metals are sonorous in nature. What is sonorous?

a)

Making into powder

b)

Drawn into wires

c)

Make sound on beating

d)

None of these

10.
What does malleable mean?
a)
able to bend
b)
will break easily
c)
can be used for wire
d)
is shiny
11.
What does ductile mean?
a)
electricity flows easily
b)
quacks like a duck
c)
can be drawn into a wire
d)
able to bend
12.

Which of the following is considered a physical property of an element?

a)

density

b)

color

c)

conductivity

d)

flammable

13.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
14.
5. What is it called when a solid turns directly into a gas?
a)
Sublimation
b)
Condensation
c)
Liquid
15.
Change from Gas to Solid is called........
a)
Sublimation
b)
Deposition
c)
Fusion
d)
condensation
16.
Are there molecules moving in a solid brick?
a)
yes
b)
no
c)
maybe
d)
not sure
17.
Molecules have energy and _________ stop moving
a)
rarely
b)
always
c)
never
d)
sometimes
18.

​ (a)   is the ability to ​ (b)   heat.

Choose from the below words
Conductivity
transfer
Conductor
transport
19.

When acids and alkalis react with each other, we call this process as ...

(a)  

20.

Reorder the following

a)

Sonorous

b)

is the property

c)

of metal

d)

to create sound

e)

when struck or hit

1)
2)
3)
4)
5)
21.

Match the following.

a)

acid

1.

lemon

b)

alkali

2.

soap

c)

brittle

3.

easily breaks

d)

insulator

4.

rubber

e)

conductor

5.

transfers heat well

22.

The mnemonic to remember the order of the colors of the rainbow as well as the order of the pH level.

(a)  

23.

...is the ability of metal to be rolled or pounded into various shapes.

(a)  

24.

​ (a)   is the ability of the ​ (b)   to ​ (c)   into another substance

Choose from the below words
solubility
substance
dissolve
form of matter
Ductility
25.

Brittle

a)

Metal

b)

Non metal

c)

None of them

d)

Both metal and non-metals

26.

Acids taste _________________.

a)

sour

b)

spicy

c)

sweet

d)

bitter

27.

The image shows a PH scale. Which option indicates strong alkali?

a)

a

b)

b

c)

c

d)

d

28.

The image shows a PH scale. Which option indicates strong acid?

a)

a

b)

b

c)

c

d)

d

29.

The pH scale is a range from:

a)

1-7

b)

0-14

c)

1-20

30.

What is the substance with a neutral pH of 7?

a)

Milk

b)

Water

c)

Orange Juice

d)

Blood

31.

Which substance is alkali?

a)

Toothpaste

b)

Lemon juice

c)

Vinegar

d)

Soft drink

32.

Which substance is acid?

a)

Ammonia

b)

Toothpaste

c)

Vinegar

d)

Soap

33.

Which pH levels indicated a strong acid?

a)

1-3

b)

4-6

c)

8-11

d)

12-14

34.

Alkalis feel...

a)

Rough

b)

Soapy

c)

Granulated

d)

Smooth

35.

Which of the following acids do we have in our stomach?

a)

Ethanoic acid

b)

Hydrochloric acid

c)

Nitric acid

d)

Sulphuric acid

36.

What happens to the pH of an acid during neutralisation?

a)

It stays the same

b)

It moves toward pH 1

c)

It moves towards pH 7

d)

It moves towards pH 14

37.

What colour does litmus paper turn when added to an alkali?

a)

Blue

b)

Red

c)

Green

d)

Colourless

38.

Are ALL acid corrosive?

a)

Yes

b)

No

39.

What does an indicator do?

a)

It tells us whether a substance is an acid or alkali

b)

It tells us what the substance is made out of

c)

It tells us whether a substance is cold or hot

40.

What color would red litmus paper be when touching an alkali?

a)

The paper disappear

b)

It would stay red

c)

It would turn blue

d)

It would turn purple

41.

What color would blue litmus paper be when touching an acid?

a)

It would stay the same

b)

It would be purple

c)

It would be red

42.

What are the properties of alkalis?

a)

Soapy touch

b)

Sour taste

c)

Bitter taste

d)

A pH of 6 or below

e)

A pH of 8 or above

43.

What are the properties of acids?

a)

Sweet taste

b)

Sour taste

c)

A pH of 6 or below

d)

Spicy taste

44.

what is the pH of water

a)

7

b)

5

c)

9

d)

none

45.

what is the pH when:

1.the indicator paper is blue.

2.when it it red.

(write in ranges)

(a)  

46.

was it hard? write your opinion

a)

easy

b)

medium

c)

hard

d)

very hard

47.

An alkali can neutralize an acid

a)

False

b)

True

48.

Complete the word equation below:

Acid + alkali --> ............... + water

a)

water

b)

salt

c)

gold

d)

metal

49.

Toothpaste contain .................. that neutralize acid formed by bacteria.

a)

alkali

b)

acid

c)

antacid

d)

slaked lime

50.

Bee sting contain ............................ and can be neutralize using bicarbonate soda.

a)

alkali

b)

acid

c)

vinegar

d)

soda

51.

..................................... is used to treat water to reduce the acidity of water.

a)

alkali

b)

slaked lime

c)

antacid

d)

vinegar

52.

Excess acids in stomach can be neutralized using ............

a)

antacid

b)

vinegar

c)

slaked lime

d)

hydrochloric acid

53.

We should not taste chemical substances as they are

a)

Corrosive

b)

Harmful

c)

Toxic

54.

What type of reaction occurs when you react an acid with an alkali?

a)

combustion

b)

decomposition

c)

no reaction

d)

neutralisation

55.

Alkalis feel...

a)

Rough

b)

Soapy

c)

Granulated

d)

Smooth

56.

Are ALL acid corrosive?

a)

Yes

b)

No

57.

What does an indicator do?

a)

It tells us whether a substance is an acid or alkali

b)

It tells us what the substance is made out of

c)

It tells us whether a substance is cold or hot

58.

On the pH scale, what is 14?

a)

A weak alkali

b)

A strong acid

c)

A strong alkali

d)

A weak acid

59.

what is the pH of water

a)

7

b)

5

c)

9

d)

none

60.

what is used to check pH?

a)

normal paper

b)

tissue paper

c)

universal indicator

d)

litmus paper

61.

acids have a pH of :

a)

7

b)

1-6

c)

8-14

d)

5-9

62.

neutralization is

a)

when you mix an acid and alkali

b)

when you mix two or more alkali

c)

when you mix water with acid

d)

when you mix water with alkali

63.

what acid is in grapes

a)

sulfuric acid

b)

hydrochloric acid

c)

tartaric acid

64.

what is the pH when:

1.the indicator paper is blue.

2.when it it red.

(write in ranges)

(a)  

65.

what neutralizes bee sting?

a)

vinegar and water

b)

baking soda and water

c)

both

d)

none

66.

was it hard? write your opinion

a)

easy

b)

medium

c)

hard

d)

very hard

67.

What is the taste of acids?

(a)  

68.

What is the taste of alkalis?

(a)  

69.

Acids turn red litmus paper blue.

a)

True

b)

False

70.

Ammonia is a corrosive alkali.

a)

True

b)

False

71.

Is it acid or alkali when the pH is 4 pH

a)

Acid

b)

Alkali

c)

Neutral

72.

What is an example of neutral

a)

Vinegar

b)

Water

c)

Milk

d)

Drain cleaner

73.

When you get a bee sting, what will you use to make you feel better ?

a)

Water

b)

Baking soda

c)

Milk

d)

Toothpaste

74.

The other name of alkali is basic

a)

True

b)

False

75.

What is the meaning of the above hazard warning symbol?

a)

Corrosive

b)

Explosive

c)

Toxic

d)

Radioactive

76.

What kind of acid is present in your stomach?

a)

Sulfuric acid

b)

Hydrochloric acid

c)

Citric acid

d)

Nitric acid

77.

Sodium hydroxide is used

a)

to make fertilisers.

b)

to make battery.

c)

to cure gastritis.

d)

to make detergent.

78.

The technique used in neutralisation is called

a)

filtration.

b)

titration.

79.

Which of the following laboratory rules is incorrect?

a)

Only enter a lab when told to do so by a teacher

b)

Never run in the lab

c)

Sit on your stool at all times

d)

Do not eat or drink in a lab

80.

Which of the following hazard symbols means flammable?

a)

A

b)

B

c)

C

d)

D

81.

What does this hazard symbol tell you about the substance being used?

a)

It is extremely hot

b)

It will give off radiation

c)

It is very toxic

d)

It is corrosive

82.

What substance might have this hazard symbol?

a)

Oxygen gas

b)

Sodium chloride (salt)

c)

Lead chloride

d)

Ethanoic acid (vinegar)

83.

This symbol is used to show a moderate hazard. Which substance below would it NOT apply to?

a)

Concentrated hydrochloric acid

b)

Dilute hydrochloric acid

c)

Sodium carbonate

d)

Carbon dioxide gas

84.

Which substance might need this hazard symbol for the way that it is stored in a lab?

a)

Hydrogen gas

b)

Sodium chloride

c)

Sulfuric acid

d)

Sulfur

85.

What properties would a substance with these hazard symbols have?

a)

A flammable corrosive gas

b)

A flammable explosive gas

c)

An toxic explosive gas

d)

A toxic liquid that is oxidising

86.

Is it safe to drink from your water bottle in a lab?

a)

Yes, always

b)

Yes if you wash your hands first

c)

Yes if practical work is not being carried out

d)

Never

87.

What piece of equipment must always be worn during Chemistry experiments?

a)

Gloves

b)

Lab coat

c)

Safety glasses

d)

Face mask

88.

You accidentally spill some dilute acid during an experiment. Choose the the best option below?

a)

You mop it up yourself

b)

You ignore it as it it is only dilute acid

c)

You will automatically get a detention

d)

You tell your teacher

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