Formule chimice

Formule chimice

7th Grade

10 Qs

quiz-placeholder

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Formule chimice

Formule chimice

Assessment

Quiz

Chemistry

7th Grade

Practice Problem

Hard

Created by

GeorgetaLouisa Melinte

Used 33+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Corectează greșeala strecurată în scrierea formulelor:

CaCl2

Na2OH

HCl

AlBr3

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

K2SO4 este

acid

bază

sare

oxid

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Vitriolul are formula chimică:

H2SO4

NaCl

HNO3

CaO

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Denumirea populară a NH4Cl este:

var stins

var nestins

țipirig

sodă caustică

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Când oxigenul se combină cu un metal din grupa I A (M) formula combinației formate este:

MO2

M2O3

M2O

M3O2

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Denumirea populară a CaCO3 este:

marmură

apă tare

pucioasă

pirită

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Ba(OH)2 este

acid

oxid

sare

bază

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