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Rates and material change revision

Total questions: 21

Worksheet time: 12mins

Name
Class
Date
1.

Which of these pieces of equipment is beaker?

a)
b)
c)
d)
2.

Which piece of equipment should you use to measure out liquids?

a)
b)
c)
d)
3.

Silver

a)

S

b)

Ag

c)

Au

d)

Sn

4.

Carbon

a)

C

b)

Ca

c)

Cu

d)

Cr

5.

Copper

a)

Cu

b)

C

c)

Cr

d)

Co

6.

Sodium

a)

Ne

b)

S

c)

Na

d)

Mg

7.

Iron + copper oxide =

a)

Iron + copper oxide

b)

Iron oxide + copper oxide

c)

Iron oxide + copper

d)

Magic

8.

Which one of the following combinations result in a displacement reaction?

a)

Iron with magnesium chloride

b)

magnesium with iron chloride

c)

Iron with Zinc Sulphate

d)

gold with silver nitrate

9.
What metal hydroxide is produced when magnesium reacts with water?
a)
Copper hydroxide
b)
Magnesium oxide
c)
Magnesium
d)
Magnesium hydroxide
10.
What gas is always produced when a metal reacts with water?
a)
Oxygen
b)
Carbon dioxide
c)
Hydrogen
d)
Carbon monoxide
11.

Which metals rusts?

a)

Copper

b)

manganese

c)

iron

d)

potassium

12.

What environmental element assists rusting?

a)

nitrogen

b)

oxygen

c)

carbon

d)

hydrogen

13.

Which solution would turn litmus red?

a)

Potassium hydroxide

b)

Sodium chloride

c)

HNO3

d)

Ammonia

14.

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

a)

Alkali

b)

Acidic

c)

Neutral

d)

Water

15.

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)
16.
Which factors increase the rate of a reaction.
a)
increasing temperature
b)
increasing concentration
c)
increasing surface area
d)
all of these
17.
You add more bodies into a "mosh pit" to hope for more collisions.  You have increased-
a)
temperature
b)
concentration
c)
pressure
d)
catalyst
18.
Why don't all collisions between particles cause a reaction?
a)
the particles also need to collide with a catalyst
b)
not all the particles collide with enough energy
c)
not all the particles collide at a high enough temperature
d)
the particles need to collide with each other twice
19.

How could we make this reaction happen more quickly?

a)

Decrease the concentration of the acid

b)

crush the chalk to increase the surface area

c)

Put the test tube in an ice bath

20.

Sodium + Hydrochloric acid ->

a)

Sodium chlorine

b)

Sodium chlorine + hydrogen

c)

Sodium chloride + hydrogen

d)

Sodium chloride

21.

How can you test for hydrogen gas?

a)

sniff it

b)

squeaky pop test

c)

add universal indicator

d)

add lemon water

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