Chemistry, asked by deviharshithareddy, 10 months ago

what do you understand by ppm
in chemistry ​

Answers

Answered by Anonymous
1

Answer:

part par million 10per power 6

mole concept ma study karna ka liya

Answered by amitansuparida202
1

Answer:

parts per million

when a substance is present in trace quantity it is expressed in parts per million

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