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Erreakzio kimikoak

Authored by AITOR VAZQUEZ

Physics

1st - 10th Grade

Used 9+ times

Erreakzio kimikoak
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44 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

zenbat mol daude 160g-ko NH3?

N:14 ; H:1

17 UMA

17 Moles

4.7 moles

9.4 moles

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kalkulatu hurrengo konposatuaren masa molarra:

[Ca3(PO4)2]

Ca:40 ; P:31; O:16

87.05g

310 g/mol

310 g

87.05 g/mol

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Doitu ekuazioa

a C3H8 + b O2c CO2 + d H2O

a=1 , b=5 , c=3 , d=4

a=1 , b=4 , c=3 , d=4

a=1 , b=5 , c=3 , d=3

a=2 , b=5 , c=3 , d=4

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Doitu ekuazioa


a KNO3b KNO2 + c O2

a=1 , b=1 , c=½

a=1 , b=2 , c=½

a=2 , b=1 , c=½

a=1 , b=1 , c=⅔

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Doitu erreakzioa Zn +HCl = ZnCl2 + H2. Aukeratu zein izango dira koefizienteak, erreakzioa doituta izateko

1, 2, 1, 2

2,1 1, 1

1, 2, 1, 1

1,1, 1, 1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Honako erreakzioan H2 + O2 = H2O. Zein da produktua?

H2

O2

H2O

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Honako erreakzioa doitu behar baduzu, zein koefiziente erabiliko zenituzke?

Zn +HCl = ZnCl2. + H2

1, 2, 1, 2

2,1 1, 1

1, 2, 1, 1

1,1, 1, 1

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