1. A gascous material has a strong smell, evaporates quickly, particularly boile
each question. Use a sep
at -33.34C and melts at-77.73C. This matter can be classified as
A metal
B. mixture
Csolution
Dubstance
2. ELLA experimenting on how two liquid saraples. The data he gathered is
shown in the table below.
Temperature in 'C
SAMPLES Before After 5 Alter 8 After 10 Afer 12 After 14
heating Duinutes minutes minutes minuten minutes minutes
Ligold A 29 45 60
90
100
100
Land B 30
47
65
97
100 105
What can be inferred from the table?
After 16
100
108
A Liquid A is pure substance while Liquid B is a mixture
B. Liquid A is a mixture while Liquid B is a pure substance,
c. Liquid A is an element while Liquid B is a substance.
D. Both Liquids A and B are pure substance.
3. A pinch of bread was placed inside a test tube and heated until it became
blaclish in color and released some gas Which of the following statement/
is/are true according to the given information?
I Bread is solution.
II. Bread is composed of only one substance.
III. Bread is made up of solid and gaseous substancen.
IV. Bread is made up of mixtures of different substances.
A. I only
B. & II
C. II only
D. HII & IV
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Verified answer
Answer:
1.A
2.B
3.A
Explanation:
Sana nakatulong^_^