solution that changes it's strength with the passage of time.
Isadore Bauch
one is specific
HCl is not used as a primary standard
A primary standard substance is referred to a reagent which is pure. This is a substance that can be weighed easily due to its purity.
HSC is Higher Secondary Certificate which is 12th standard.....10th standard is called as SSC that is Senior Secondary Certificate.
Olumawu basis education secondary school
there are two types of standard solution 1 primary 2 secondary
A primary standard substance is referred to a reagent which is pure. This is a substance that can be weighed easily due to its purity.
Regardless of the substance given, the standard state is defined as,'The substance in pure form at 1 bar pressure and a specified temperature'.
because EDTA is obey all conditions of primary standard except high purity
The background substance of the ovary is called the stroma. The name for the expulsion of the secondary oocyte from the ovary is called ovulation.
A solution that has been titrated against a primary standard solution.
all principal end items and secondary items