WorksheetsChemical changes
Total questions: 10
Worksheet time: 3mins
Name
Class
Date
1.
Chemical changes is where a (a) reacts with another to form a new substance
2.
A chemical change happens when a (a) reaction occrus
3.
What are the signs that a chemical change is occuring
a)
Dissolving
b)
Gas bubbles
c)
Colour change
d)
Melting
e)
Boiling
4.
3 examples of chemical changes are (a) ,Boiling an egg,Baking a cake
5.
What do acids and bases do to each other
a)
Neutralise
b)
React
c)
Repel
d)
Bond
6.
What does the ph scale go up to from 0
a)
13
b)
15
c)
14
d)
12
7.
Acid and metal oxide produce (a) +water
8.
Electrolysis is ______ ___ electricity
(a)
9.
When an acid neutralises a base the products are (a)
10.
Do all metals react with acids?
a)
Yes
b)
No
c)
Only some
100 %
