0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

What do you understand by ppm?
  1. None of the above
  2. Parts per million
  3. Parts and particles per million
  4. Particles per million

A
None of the above
B
Parts and particles per million
C
Parts per million
D
Particles per million
Solution
Verified by Toppr

Parts per million or ppm means out of a million. Usually describes the concentration of something in water or soil. One ppm is equivalent to 1 milligram of something per litre of water (mg/l) or 1 milligram of something per kilogram soil (mg/kg).

Therefore, the correct answer is option A.

Was this answer helpful?
1
Similar Questions
Q1
The coefficient of linear expansion of silver is 18 ×10-6 per °C. What do you understand by this
View Solution
Q2

Twenty- five per cent of India's total land is undergoing desertification. What do you understand by desertification? How is deforestation responsible for desertification? Suggest measures to reverse desertification. [5 MARKS]

View Solution
Q3
As per the video, what can a child do if he is not able to understand the session taken by the master trainer/tutor?
View Solution
Q4

How fast do you need to travel to go 150 km in 3 hours?


View Solution
Q5

As per your understanding, state what is the lending of funds?

View Solution