
Kartojimas
Quiz
•
Biology
•
9th Grade
•
Practice Problem
•
Hard
Sonata Janovskiene
Used 1+ times
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Kurios iš šių medžiagų yra bazės?
HCl, HNO3, HBr
CO, HCl, MgO
NaOH, LiOH, Mg(OH)2
HCl, MgO, Mg(OH)2
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Rūgščią dirvą mėgsta rūgštynės, rododendrai, bruknės, spanguolės. Koks pH rodo dirvos terpę, kurioje šie augalai auga?
6-7
8-9
3-4
10-11
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Kokia rūgštis drėgname ore rūksta, nes išskiria aštraus kvapo dujų?
Koncentruota sieros rūgštis
Koncentruota druskos rūgštis
Koncentruota azoto rūgštis
Praskiesta azoto rūgštis
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Rūgščią dirvą mėgsta rūgštynės, rododendrai, bruknės, spanguolės. Koks pH rodo dirvos terpę, kurioje šie augalai auga?
6-7
8-9
3-4
10-11
5.
FILL IN THE BLANK QUESTION
10 sec • 1 pt
Su koncentruota ........... elkitės atsargiai. Skiesdami pilkite į vandenį, o ne atvirkščiai.
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Medžiagos, kurios rūgščių ir bazių tirpaluose keičia spalvą, vadinamos ...........
Produktais
Indikatoriais
Nefronais
Tirpumo kreivėmis
7.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Reakcija tarp rūgšties ir bazes, kai susidaro druska ir vanduo vadinama
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