Question

the compound which form bead in borax bead test is a)metal oxide b)metal boride c)metal borate d)metal meta borate​

Answer 1

d) Metal meta borate

hope it helps you

Answer 2

Option-d)metal meta borate

​The compound which form bead in borax bead test is metal meta borate​

Explanation:

• The  borax bead test is also known as blister test.
• It is the oldest test which is used to determine the presence of certain metals.
• This test is given by cobalt salt, copper salt and nickelate salt.
• In this test presence of metals in a samle is detected.
• It is a simple laboratory test used to find out the metal ions in the salt.
• Here a small amount of the salt is mixed with borax and few molten bead formed on the end of a piece of platinum.
• The products formed in the reaction are boric anhydride and sodium metaborate.
• It is borax bead which is used to detect coloured radicals.