A conclusion
В. experiment
11. Which of the following indicates the set of properties of
A Made up of big particles of atom.
B. Joined through chemical process
12. It is a branch of science which study the composition pro
A. Chemistry B. Biology
c Phi
13. The simplest form of matter that has constant chemical
one type of atom.
A Element
B. Mixture
hypothesis
ement?
Toined through mechanical process.
Composed of one element with same properties
es, structure of matter and the changes it undergoes.
D. Earth science
osition and characteristic properties and composed of
Substance
B. Base
D. Compound
14. Elements usually exist in the environment together with other elements. Combination of elements are known as
A Acid
15. Which of the following is NOT a compound?
C. Element
D. Compound
A. Hydrogen
B. Ice
C. Salt
D. Water
16
There are 118 known elements. Some occur naturally in our environment and others are used in laboratories. The
following are examples of elements EXCEPT ONE.
A Carbon
B. Magnesium
C. Gold
D. Carbon Dioxide
17 Water is an example of a compound. It has a chemical symbol of H.0. This compound is composed of
A. Hydrogen and oxygen
C. Nitrogen and oxygen
B. Carbon and oxygen
D. Sulfur and oxygen
18. Which of the following is NOT a group of elements?
A metal
B. nonmetal
C. metalloid
D. Gold
19. Which of the following substance is a compound?
A. Brass B. Cadmium
C. Geranium
D. Helium
20. Which of the following describe elements correctly?
A. simplest substance
C. homogeneous in nature
B. has two or more atoms
D. group according to characteristics
GOODLUCK AND GOD BLESS​