REACTII CU FORMARE DE PRECIPITAT

REACTII CU FORMARE DE PRECIPITAT

8th Grade

10 Qs

quiz-placeholder

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REACTII CU FORMARE DE PRECIPITAT

REACTII CU FORMARE DE PRECIPITAT

Assessment

Quiz

Chemistry

8th Grade

Practice Problem

Hard

Created by

NICOLETA PINGHIREAC

Used 4+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

PRECIPITATUL ESTE

substanta solida,greu solubila ce rezulta din    reactia a doua solutii lichide sau dintr-o

  solutie lichida si o substanta gazoasa

substanta lichidă, ce rezulta din reactia a doua solutii lichide sau dintr-o

  solutie lichida si o substanta gazoasă

substanta solida, ușor solubilă ce rezulta din    reactia a doua solutii solide sau dintr-o

  solutie lichida si o substanta gazoasa

substanta gazoasă,ce rezulta din    reactia a doua solutii lichide sau dintr-o

  solutie lichida si o substanta gazoasa

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

lSOLUBILITATEA ESTE

numarul maxim de moli (grame) de substanta ce poate fi dizolvata de 1L solutie la o   anumita temperatura

numarul minim de moli (grame) de substanta ce poate fi dizolvata de 1L solutie la o   anumita temperatura

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Substantele precipita cand solutia devine saturata

adevărat

fals

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

CATEGORII DE PRECIPITATE

acizi

săruri

baze

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sărurile nu pot fi halogenuri, carbonați sau sulfuri.

adevărat

fals

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Identificați halogenuri

FeS ,CuS ,PbS

CaCO3 ,MgCO3

AgBr ,AgI ,PbI2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Identificați carbonati

AgCl ,AgBr ,Ag

MnS ,FeS ,CuS

CaCO3 ,MgCO3

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