Cine a descoperit Legea Periodicităţii?
Runda I: „Fulger”

Quiz
•
Chemistry
•
6th - 8th Grade
•
Easy
Olesea Plop
Used 3+ times
FREE Resource
24 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reacţia de neutralizare are loc la interacţiunea dintre...
un acid şi o sare
o bază și o sare
un acid şi un oxid
un acid şi o bază
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Formula acidului azotic este...
HNO
HNO3
NaNO3
NH3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce element conține părul auriu?
Aur
Titan
Calciu
Magneziu
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care metale sunt atrase de magnet?
Fier, cobalt, nichel
Fier, cobalt, cupru
Fier, cobalt, magneziu
Fie, cobalt, litiu
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elementul ce constituie 78% din atmosferă este...
Carbon
Hidrogen
Oxigen
Azot
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Din ce cauză o bucată de măr tăiată şi lăsată în aer liber, la început capătă o culoare brună apoi brună-roşietică?
Conține Fier
Conține Cupru
Conține Magneziu
Conține Calciu
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