Chimia

Chimia

10th Grade

20 Qs

quiz-placeholder

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Chimia

Chimia

Assessment

Quiz

Chemistry

10th Grade

Medium

Created by

Cristi Smoleac

Used 5+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oxigen se formeaza la descompunerea termica a

CaCO3

HgO

(CuOH)2CO

MgO

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Din punct de vedere chimic metalele au caracter

Acid

Bazic

Neutru

Reducator

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ceața reprezintă

particule fine de substanță solidă dispersate în gaz

particule fine de substanță gazoasă dispersate în lichid

particule fine de substanță lichidă dispersate în gaz

particule fine de substanță gazoasă dispersate în gaz

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

În care din următoarele transformări are loc un proces de oxidare?

ClO3 − → ClO2

Cr3+ → CrO4 2

PO4 3− → PH3

IO3 − → I −

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nucleul este partea.................................................. a atomului

Centrala

Exterioara

Inlaturata

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Clorul formează molecule

Polare

Nepolare

Neutre

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ce sarcina are atomul?

Negativa

Pozitiva

Neutra

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