Science 7 - Quiz 1 (Pure Substances and Mixtures)
Science 7 - Quiz 1 (Pure Substances and Mixtures)
Science 7 - Quiz 1 (Pure Substances and Mixtures)
SCIENCE 7
QUIZ
JAEN KIETH F ROCIOS
TEACHER - I
1. Which of the following is the simplest form of substance?
A chemical formula
B compound
C element
D mixture
QUIZ
2. Which of the following is NOT an example of compound?
A Ammonia
B Helium gas
C Hydrogen peroxide
D Table sugar
QUIZ
3. Which of the following statements is TRUE about elements
and compounds?
A homogeneous in nature
QUIZ
4. Which of the following substances is an element?
A Carbon Dioxide
B Iron
C Salt
D Sugar
QUIZ
5. Which of the following describes an element?
A The simplest substance
QUIZ
6. Which of the following statements correctly describes a
compound?
A Can be broken down into a simpler type of matter by chemical means.
B Has a unique property that are different from the properties of its individual elements
QUIZ
7. Which of the following will be the result of compound if
Hydrogen gas and oxygen gas combine?
A Alcohol
B Salt
C Sugar
D Water
QUIZ
8. Which of the following is correctly matched?
QUIZ
9. Which of the following is NOT an element?
A Na
B Fe
C Pz
D He
QUIZ
10. Which of the following CANNOT be broken down into
simple substance?
A chemical formula
B compound
C element
D mixture
QUIZ
11. What are the two (2) classes of matter?
QUIZ
12. Which is true regarding water?
A compound of element
B element of gases
C mixture of gases
D substance of gases
QUIZ
13. What is the difference between a substance and a
mixture?
A Substance can be separated while mixture cannot be separated.
QUIZ
14. To separate salt from water in a seawater mixture, what
process is used?
A condensation
B distillation
C evaporation
D filtration
QUIZ
15. Which of the following is a property of mixture?
A It has a definite composition.
QUIZ
16. Which is NOT a technique used to separate components
of a mixture?
A condensation
B distillation
C evaporation
D filtration
QUIZ
17. Which of the following is a heterogeneous mixture?
A air
B oil in water
C stainless steel
D soft drink
QUIZ
18. What substance is made by mixing two elements without
being chemically combined?
A compound
B element
C mixture
D solution
QUIZ
19. What is the best way to use in separating iron parts from a
mixture?
A Filter paper
B Magnet
C Water
D Spoon
QUIZ
20. Which of the following uses evaporation as a means of
separating the components of a given mixture?
A iron fillings and sand
QUIZ
21. Which of the following statements distinguishes pure substances
from mixtures?
A Can be separated by physical means
QUIZ
22. Ethan wants to separate the marbles in a jar full of water. Which of the
following is the best way to separate the mixtures?
A decantation
B dissolving
C evaporation
D using a magnet
QUIZ
23. Which of the following will Jeffrey do to segregate the rubber bands of
different colors?
A water decantation
B evaporation
C filtration
D physical manipulation
QUIZ
24. Which of the following is NOT an example of element?
A Helium gas
B Hydrogen
C Ice
D Iron
QUIZ
25. Which of the following substance is NOT a compound?
A Carbon dioxide
B Hydrogen
C Salt
D Sugar
QUIZ
What is the importance of pure
substances and mixtures in our daily
life?
Explain your answer in 3-5 sentences.
THANK YOU!