ENNYSTON SCIENCE COMPETITION: 2ND ROUND - SENIOR 2

Quiz
•
Science
•
10th Grade
•
Hard
Emmanuel Odoh
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
S block elements of the periodic table are made up of
(a) group 1,2,3
(b) group 1 and 2
(c) group 3
(d) group 3 to 7.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
An example of an organism that exists as a colony is
(a) Spirogyra
(b) Paramecium
(c) Euglena
(d) Volvox
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The dentition of a herbivore is distinct from that of other animals due to the presence of
(a) cusps on molar teeth
(b) canines
(c) diastema
(d) ridges on molar teeth
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
. Which of these is not a hygroscopic salt?
a. calcium oxide
b. magnesium chloride
c. copper(ii) oxide
d. sodium trioxonitrate v
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In electrolytic purification processes, the impure metal to be purified is used as
(a) anode
(b) cathode
(c) electrolyte
(d) salt bridge.
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The energy conversion in an electrolytic cell is
(a) electrical to chemical
(b) electrical to mechanical
(c) chemical to electrical
(d) chemical to mechanical
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
How many electrons will fill up the M shell?
(a) 18
(b) 12
(c) 9
(d) 7
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