6 kl. 5.8. Metalai ir deguonis

Quiz
•
Science
•
6th Grade
•
Medium
Loreta Motuzienė
Used 3+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kokia medžiaga susidaro geležies degimo reakcijos metu?
Geležies oksidas
Geležies hidroksidas
Geležies deguonis
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kokios sąlygos / medžiagos būtinos geležies rūdijimo reakcijai vykti?
Vanduo ir deguonis
tik vanduo
vanduo ir H2O
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kokios medžiagos įmaišomos į lydomą geležį, norint gauti nerūdijantį plieną?
Chromas ir nikelis
Chromas ir cinkas
Nikelis ir azotas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kokie būdai padeda apsaugoti geležį nuo rūdijimo?
Dažymas
Tepimas alyva
Padengimas emaliu
Tinka visi atsakymai
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kur, tikėtina, automobiliai labiau rūdija – Lietuvoje ar Didžiojoje Britanijoje? Žinant, kad daugiau kritulių per metus iškrinta Didžiojoje Britanijoje.
Lietuvoje
Didžiojoje Britanijoje
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