The pH scale is used to measure how acidic or alkaline something is.
Hope that helped you!
BRAINLIEST??
The formula of the ppt. formed is PbSo4 , which is inslouble.
I think the answer is a and c
I
Sodium, calcium, iron and gold are all metals. They all form metallic bonds, in the form of a shared electron cloud. They all have the electrical conductivity and metallic luster which comes with metallic bonds.
