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Química básica

Authored by Gabriela Lescano

Chemistry

1st - 10th Grade

Used 12+ times

Química básica
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5 questions

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1.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

La siguiente fórmula H2SO4 corresponde a:

ÁCIDO

BASE

HIDRÓXIDO

ÓXIDO

2.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Un ejemplo de base es:

HNO3

HCl

Be(OH)2

CaO

3.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

La valencia del los siguientes elementos Ca, H, He, Bi, F son:

+2, +1, 0, +3, +1

+2, +1, 0, +3, -1

+2, +1, +2, +3, -1

+2, +1, +2, -3, -1

4.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

La posición en la tabla periódica de los siguientes elementos Cr, Cs, Sr, O, S es:

27, 55, 38, 8, 16

24, 58, 38, 8, 16

24, 55, 38, 8, 16

24, 55, 38, 8, 33

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Los símbolos de los siguientes elementos: Fósforo, Potasio, Plomo, Oro, Plata, Platino son:

P, K, Pb, Au, Ag, Pt

F, P, Pb, Au, Ag, Pt

P, K, Pb, Ag, Pt, Ag

P, Po, Pb, Au, Ag, Ag

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