Introduction to Chemistry - SS1 Chemistry Past Questions and Answers - page 1
1
What is chemistry?
View related lesson
A
The study of living organisms
B
The study of matter and its properties
C
The study of celestial bodies
2
Why is chemistry important?
View related lesson
A
It helps us understand the universe and its origins
B
It enables us to develop new medicines and treatments
C
It allows us to understand and control chemical reactions
D
All of the above
3
Which of the following is NOT a branch of chemistry?
View related lesson
A
Biology
B
Physical chemistry
C
Analytical Chemistry
D
Organic chemistry
4
What is the basic unit of matter?
View related lesson
A
Atom
B
Cell
C
Element
D
Molecule
5
Which of the following is an example of a chemical change?
View related lesson
A
Melting ice
B
Cutting paper
C
Boiling water
D
Burning wood
6
What is the chemical symbol for oxygen?
View related lesson
A
O
B
H
C
AU
D
C
7
What is the pH scale used to measure?
View related lesson
A
Temperature
B
Acidity or alkalinity
C
Density
D
Pressure
8
Which subatomic particle has a positive charge?
View related lesson
A
Proton
B
Neutron
C
Electron
D
Ion
9
What is the chemical formula for water?
View related lesson
A
H2O2
B
CO2
C
H2O
D
CH4
10
What is the process of combining elements to form new substances called?
View related lesson
A
Sublimation
B
Condensation
C
Combustion
D
Chemical reaction
Loading lesson…