MCQ
When a solute is present in trace quantities the following expression is used
- AGram per million
- BMilligram percent
- CMicrogram percent
- ✓Parts per million
✓
Answer
Correct option: D.
Parts per million
d
When the solute is present in trace quantities it is convenient to express the concentration in parts per million ($ppm$)
When the solute is present in trace quantities it is convenient to express the concentration in parts per million ($ppm$)
It is defined as the quantity of the solute in grams present in $10^6 \,grams$ of the solutions.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
What is the major alkene formed in the following hofmann elimination
Sodium ethoxide has reacted with ethanoyl chloride. The compound that is produced in the above reaction is :
In which of the following complex $C-O$ bond as maximum $IR$ stretching vibrational frequency :-
→Point out the wrong statement in relation to the structure of benzene
The element or elements whose position is anomalous in the periodic table is
m–chlorobenzaldehyde on treatment with 50% KOH solution yields
$\sigma _{2s}^*$ orbital is similar to ....... orbital
→Given below are two statements.
→Statement $I :$ The presence of weaker $\pi$ - bonds make alkenes less stable than alkanes.
Statement $II :$ The strength of the double bond is greater than that of carbon-carbon single bond.
In the light of the above statements, choose the correct answer from the options given below.
The solubility product of $Mg{(OH)_2}$ is $1.2 \times {10^{ - 11}}$. The solubility of this compound in gram per $100\,c{m^3}$ of solution is
→Consider the complex $[Co(NH_3)_4 CO_3]ClO_4$ , in which coordination number, oxidation number and number of $d$-electrons on the metal are respectively.
→