test

test

8th Grade

7 Qs

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Assessment

Quiz

Chemistry

8th Grade

Medium

Created by

VERONICA BRÎNZĂ

Used 2+ times

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

acizii au in componenta lor:

un atom de hidrogen si un radical acid

unul sau mai multi atomi de hidrogen si un radical acid

mai multi atomi de hidrogen si mai multi radicali acizi

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

acizii se impart in ................ si oxiacizi, dupa compozitie:

hidracizi

oxoacizi

anhidride acide

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

radicalul acid provine prin eliminarea atomilor de ...., din molecula acidului:

oxigen

hidrogen

oxigen si hidrogen

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

denumirea hidracizilor se face adaugand la cuvantul ,,acid,, numele nemetalului si sufixul:

ic

os

hidric

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

care dintre urmatorii acizi sunt tari:

acid sulfuric si acid sulfuros

acid sulfuric si acid carbonic

acid azotic si acid sulfuric

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

HSO3 se numeste:

sulfat acid

sulfit acid

sulfura acida

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

acizii monobazici sunt:

HCl, HBr, Hi

HCL, H2S, HNO3

HI, H2CO3, H#PO4