<div><span style="font-family: 'times new roman', times, serif; font-size: 14pt;">Elementi I jedinjenja VIA I VIIA grupe PSE</span></div>

Elementi I jedinjenja VIA I VIIA grupe PSE

Create a vibrant and educational illustration showcasing elements from the VIA and VIIA groups of the periodic table, featuring symbols like Po, Se, O, Cl, and I, with visual representations of chemical reactions and lab equipment, emphasizing the beauty of chemistry.

Test Your Knowledge of VIA and VIIA Group Elements

Welcome to our engaging quiz designed to test your knowledge on the elements and compounds of the VIA and VIIA groups of the periodic table. Whether you're a student, teacher, or chemistry enthusiast, this quiz offers a fun way to refresh your understanding of these important chemical groups.

Join us to explore:

Fascinating facts about elements
Reactions and their products
Properties of various compounds

10 Questions2 MinutesCreated by ExploringElements42

Elementi VIA grupe su:

Po, Se, O, Te, S

O, S, Se, Te, At

O, Te, Cl, Po, Se

F, Cl, Br, I, At

U reakciji K₂Cr₂O₇ I H₂O₂ nastaje jedinjenje CrO₅ koje je nestabilno jedinjenje pa se u epruvetu dodaje:

Etar

Voda

Vodonik-peroksid

U reakciji FeSO₄ + 2NaOH nastaje talog zelene boje koji potiĝe od:

Fe(OH)2

Fe(OH)3

Na2SO4

Fe2O3

U reakciji 5H₂SO₃ + 2KMnO₄→ K₂SO₄ + 2MnSO₄ + 2H₂SO₄ + 3H₂O

H₂SO₃je:

Redukciono sredstvo

Oksidaciono sredstvo

U reakciji H₂SO₄ + NaCl → HCl + NaHSO₄dolazi do izdvajanja mehurića gasa. Koji gas je u pitanju?

HCl

H2SO4

CO2

Fosfatna kiselina je u odnosu na jodidnu kiselinu:

Slabija

Jaĝa

Jod se rastvara u:

U vodenom rastvoru KI

Vodi

Rastvor kalijum-trijodid je:

Tamno crvene boje

Tamno plave boje

Zelene boje

Crvene boje

U reakciji kalijum-permanganata sa vodonik-peroksidom u kiseloj sredini dolazi do izdvajanja mehurića gasa. O kom gasu je reĝ? (napisati formulu)

Elementi I jedinjenja VIA I VIIA grupe PSE

Test Your Knowledge of VIA and VIIA Group Elements

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