FREE ONLINE CHEMISTRY TEST 04

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FREE ONLINE CHEMISTRY TEST 04

ఆగస్ట్ 20, 2025మార్చి 11, 2026 - by Saheb Shaik

Free online chemistry test 04 - bikki news

BIKKI NEWS : FREE ONLINE CHEMISTRY TEST 04 for JEE, NEET, EAPCET EXAMS. జేఈఈ, నీట్, ఎఫ్‌సెట్ ప్రవేశ పరీక్షల కొరకు ఉచితంగా కెమిస్ట్రీ ఆన్లైన్ టెస్ట్ లను విద్యార్థుల కొరకు అందించడం జరుగుతుంది.

FREE ONLINE CHEMISTRY TEST 04 for JEE, NEET, EAPCET EXAMS

FREE ONLINE CHEMISTRY TEST 04

1 / 10

Potassium dichromate (K₂Cr₂O₇) is an important compound of chromium. In acidic medium it acts as:

Reducing agent

Catalyst

Precipitating agent

Oxidising agent

2 / 10

Which of the following has the maximum magnetic moment?

Mn²⁺

Ti³⁺

V³⁺

Cr³⁺

3 / 10

Which one of the following is used in electroplating?

Cr

Ni

Cu

All ot the above

4 / 10

Which of the following elements does not show variable oxidation states?

Zn

Cu

Mn

Fe

5 / 10

Which transition element has the highest melting point?

Fe

W (Tungsten)

Mo

Ni

6 / 10

Which of the following is a coloured compound?

Sc₂O₃

ZnSO₄

TiO₂

CuSO₄·5H₂O

7 / 10

The catalytic property of transition metals is mainly due to:

Formation of volatile compounds

Low ionisation energy

Variable oxidation states

Presence of empty p-orbitals

8 / 10

Which of the following is used in the preparation of permanent magnets?

Fe + Co + Al

Fe + Ni + Co

Fe + W + Mo

Fe + Ni + Al

9 / 10

Which property is not shown by transition elements?

Formation of complexes

Formation of ionic hydrides

Variable oxidation states

Formation of coloured compounds

10 / 10

Why is Zn not considered a transition element?

It has a completely filled d-orbital

It has a high ionisation energy

It does not form coloured compounds

It does not show variable oxidation states

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