FREE ONLINE CHEMISTRY TEST 04 August 20, 2025August 20, 2025 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 Your score isThe average score is 51% 0% Restart quiz DAILY GK BITS – 12 : జీకే బిట్స్ Today in history – చరిత్రలో ఈరోజు ఆగస్టు 28 Model School Spot admissions – మోడల్ స్కూల్ స్పాట్ అడ్మిషన్లు HOLIDAY – సెలవు ప్రకటించిన జిల్లాలు ఇవే HOLIDAY – రేపు సెలవు ప్రకటించిన సిద్ధిపేట జిల్లా