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chemija 1b

Authored by Ausra Kuliesiene

Chemistry

9th Grade

Used 9+ times

chemija 1b
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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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