Question

Choose incorrect *

1) Primary standard has more accuracy
2) Working standard has less accuracy
3) Cost of working standard is high comparing to other standards
4) Tertiary standards are derived from secondary standards​

Answer 1

3rd one is incorrect

follow viratanmol

Answer 2

Explanation:

I I think so forth option because territory is not derived from the secondary standards but after secondary standard tertiary standard comes

he mate hope it helps you.