FREE ONLINE CHEMISTRY TEST 04

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

Which of the following has the maximum magnetic moment?

Which one of the following is used in electroplating?

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

Which transition element has the highest melting point?

Which of the following is a coloured compound?

The catalytic property of transition metals is mainly due to:

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

Which property is not shown by transition elements?

Why is Zn not considered a transition element?