Year 12s: what will be the first way you research your future options? >>

Two quick questions....PLZ need help fast

hey guys thanks a lot i need answer by tomorrow and if u could help i would highly appreciate it!

first question...

Explain what is meant by a positive test for an ion.

Second question....

describe two types of changes that demonstrate a positive test

thanks a lot mates! cheers.

Reply 1

meishu

would this be correct?

a) A positive test for an ion is one that clearly indicates the substance is present.

b) A positive test for a dissolved ion may produce a insoluble precipitate or it may produce a colored product.