chemija 1b
Authored by Ausra Kuliesiene
Chemistry
9th Grade
Used 9+ times
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12 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Kiek kristalizacinio vandens yra 1 molyje sios druskos CuSO4 * 5H2O?
36%
1 molis
5 moliai
90 g
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kurioje eiluteje surasytos tik drusku fomules?
N2O5; CuSO4*5H2O; Ba(NO3)2; Cr2O
K2CO3;Na2SO4*10H2O; CaCO3; NaCl
Fe2(SO4)3; KNO3; CuSO4*5H2O; AgNO3
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Kurie duskos CaSO4*2H2O pavadinimai teisingi?
Kalcio sulfatas
Gipsas
Kalcio sulfatas kristalohidratas
Kalcio sulfatas hidratas
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Kurios medziagos priklauso druskoms?
Kepimo milteliai
Gipsas
Kreida
Muilas
5.
OPEN ENDED QUESTION
30 sec • Ungraded
Kaip vadinamos druskos, kuriu sudetyje yra chemiskai prisijungusio vandens?
Evaluate responses using AI:
OFF
6.
OPEN ENDED QUESTION
30 sec • Ungraded
Koks druskos Fe2(SO4)3 pavadinimas?
Evaluate responses using AI:
OFF
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kiek g natrio chlorido yra 2 kg 40% valgomosios druskos tirpale
200g
400g
800g
80g
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