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Subjects
Science State Board
Class 7
Chemistry in everyday life
Textbook questions
7.
Analogy
Exercise condition:
4
m.
1
.
Inner zone of flame
: :
yellow
black
blue
orange
,
outer zone of flame
: :
blue
black
yellow
orange
2
.
Tincture
: :
antipyretic
painkiller
analgesic
antiseptic
,
histamine
: :
chemical messenger
blood capillaries
immune system
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