Vesinikperoksiid

Vesinikperoksiid

11th Grade

10 Qs

quiz-placeholder

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Vesinikperoksiid

Vesinikperoksiid

Assessment

Quiz

Chemistry

11th Grade

Medium

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mis on vesinikperoksiidi keemiline valem?

H₂O

H₂O₂

HO₂

H₂

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kuidas saadakse vesinikperoksiidi tööstuses?

Antrakinooniprotsessiga

Elektrolüüsi teel

Keetmise teel

Otseselt hapnikust ja veest

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Milline omadus teeb vesinikperoksiidi heaks puhastusvahendiks?

Magus lõhn

Happeline reaktsioon

Tugevad oksüdeerivad omadused

Kõrge keemistemperatuur

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mis juhtub vesinikperoksiidiga valguse toimel?

Ta keeb

Ta muutub tahkeks

Ta laguneb veeks ja hapnikuks

Ta aurustub

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Miks ei ole soovitatav kasutada vesinikperoksiidi haavade puhastamiseks?

See põhjustab infektsiooni

See on liiga kallis

See aeglustab paranemist

See värvib naha punaseks

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Millise kontsentratsiooniga vesinikperoksiidi kasutatakse joogivee puhastamiseks?

35%

10–15%

0,05–0,5%

5%

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kus kasutatakse 70–98% vesinikperoksiidi?

Juuksevärvides

Hammaste valgendamisel

Raketikütusena

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