ACIZI ŞI BAZE 1

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Acest test este destinat pentru elevii claselor a VIII-a care vor sa-şi verifice cunoştinţele legate de acizi şi baze.

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Question 1 of 10

1. Question
1 points
Turnesolul este albastru în prezenţa:
- Oxizilor
- Acizilor
- Bazelor
- Sărurilor
Correct

Incorrect
Question 2 of 10

2. Question
1 points
Este hidracid:
- Acidul acetic
- Acidul sulfhidric
- Acidul azotic
- Amoniacul
Correct

Incorrect
Question 3 of 10

3. Question
1 points
Reacţia dintre un acid şi o bază se numeşte:
- Reacţie de combinare
- Reacţie de ardere
- Reacţie de neutralizare
- Reacţie de oxidare
Correct

Incorrect
Question 4 of 10

4. Question
1 points
Următoarea reacţie nu este posibilă:
- $NaOH + {AlCl}_{3} \to$
- $HCl + Ag \to$
- ${CaCO}_{3} \overset{t^{0} C}{\to}$
- $Ca {(OH)}_{2} + {CO}_{2} \to$
Correct

Incorrect
Question 5 of 10

5. Question
1 points
Care dintre variante conţin doar acizi poliprotici?
- $HCl, H_{2} O, H_{2} S$
- Nici un răspuns corect
- $H_{2} S, H_{3} {PO}_{4}, H_{2} {CO}_{3}$
- ${CH}_{4}, H_{2} {SO}_{4}, H_{3} {PO}_{3}$
Correct

Incorrect
Question 6 of 10

6. Question
1 points
${HNO}_{2}$ se numeşte:
- Acid azotos
- Acid sulfuros
- Azotat de hidrogen
- Acid fosforos
Correct

Incorrect
Question 7 of 10

7. Question
1 points
$H_{2} {SO}_{3} este :$
- Un acid monoprotic
- Un oxiacid monoprotic
- Un oxiacid poliprotic
- Un hidracid slab
Correct

Incorrect
Question 8 of 10

8. Question
1 points
Este considerată bază tare:
- $Al {(OH)}_{3}$
- $Cu {(OH)}_{2}$
- ${CH}_{4}$
- KOH
Correct

Incorrect
Question 9 of 10

9. Question
1 points
Se numeşte acid azotos:
- ${HNO}_{2}$
- ${NH}_{3}$
- ${HNO}_{3}$
- $H_{2} {NO}_{3}$
Correct

Incorrect
Question 10 of 10

10. Question
1 points
Reactivul de identificare pentru HCl este:
- ${BaSO}_{4}$
- $KOH$
- ${AgNO}_{3}$
- $NaOH$
Correct

Incorrect

Examples of questions from "ACIZI ŞI BAZE 1"

${HNO}_{2}$ se numeşte:
Se numeşte acid azotos:
Reactivul de identificare pentru HCl este:

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