Chemistry, asked by ridamughal110, 1 year ago

What are primary and secondary standards?

Answers

Answered by SayeedKhan

0

primari means 1-4 standard.
&
secondary means 5-10standard.

ridamughal110: What does it mean?

Answered by Anonymous

0

Hey brainly user

Here is your answer

The answer is 1-4 primary

The secondary 5-10

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