Denumirile substanţelor

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52 successes

English

Acest test este destinat elevilor de gimnaziu care doresc să-şi verifice noţiunile legate despre denumirea substanţelor chimice.

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Question 1 of 10

1. Question
1 points
Formula chimică a amoniacului este:
- $HN$
- ${CH}_{4}$
- ${NH}_{4}$
- ${NH}_{3}$
Correct

Incorrect
Question 2 of 10

2. Question
1 points
${KNO}_{3}$ se numeşte:
- Azotat de potasiu
- Azotat de natriu
- Azotit de kalium
- Nitrogen de sodiu
Correct

Incorrect
Question 3 of 10

3. Question
1 points
CaO se numeşte:
- Calciu de oxigen
- Oxid de carbon
- Monoxid de carbon
- Oxid de calciu
Correct

Incorrect
Question 4 of 10

4. Question
1 points
Formula chimică a sulfurii de calciu este:
- $CaS$
- $CuS$
- $CS$
- $SCa$
Correct

Incorrect
Question 5 of 10

5. Question
1 points
Formula chimică a hidroxidului de cupru este:
- ${Cu}_{2} OH$
- $Cu {(OH)}_{2}$
- ${CuOH}_{2}$
- ${CaOH}_{2}$
Correct

Incorrect
Question 6 of 10

6. Question
1 points
Formula chimică a acidului iodhidric este:
- $HI$
- $IH$
- $H_{2} I$
- $H_{2} I_{2}$
Correct

Incorrect
Question 7 of 10

7. Question
1 points
Formula chimică a carbonatului de sodiu este:
- ${Na}_{2} {CO}_{3}$
- ${CO}_{3} Na$
- $K_{3} {CO}_{3}$
- $K_{2} {CO}_{3}$
Correct

Incorrect
Question 8 of 10

8. Question
1 points
$Fe {(OH)}_{2}$ se numeşte:
- Oxid de fier II
- Hidroxid de fier II
- Hidroxid de fier
- Hidroxid feric
Correct

Incorrect
Question 9 of 10

9. Question
1 points
$H_{2} {SO}_{4}$ se numeşte:
- Acid de sulf
- Acid sulfuros
- Acid sulfhidric
- Acid sulfuric
Correct

Incorrect
Question 10 of 10

10. Question
1 points
${Na}_{3} {PO}_{4}$ se numeşte:
- Pentafosfat de sodiu
- Sulfit de sodiu
- Fosfat de natriu
- Fosfură de sodiu
Correct

Incorrect

Examples of questions from "Denumirile substanţelor"

$H_{2} {SO}_{4}$ se numeşte:
${Na}_{3} {PO}_{4}$ se numeşte:
Formula chimică a acidului iodhidric este:

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