MCQ
When a solute is present in trace quantities the following expression is used:
- AGram per million
- BMilligram percent
- CMicrogram percent
- DParts per million
✓
Answer
- Parts per million
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
Product $(A)$ of the reaction is
→The osmotic pressure of a $5\%$ $(w/V)$ solution of cane sugar at $150\,^oC$ will be ....... $atm.$
→The reaction ${C_6}{H_5}N{H_2} + CHC{l_3} + 3KOH \to {C_6}{H_5}NC + 3KCl + 2{H_2}O$ is known as
→That ion or molecule which forms a complex compound with transitional metal ion is called
Compound $\begin{array}{*{20}{c}}
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
{C{H_3} - C - C{H_2} - OH}
\end{array}$ reduces :
→{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
{C{H_3} - C - C{H_2} - OH}
\end{array}$ reduces :
Vapour pressure of methyl alcohol and ethyl alcohol solution is represented as, $P = 115 X_A+140$ where $X_A$ is the mole fraction of methyl alcohol. The value of $\mathop {Lim}\limits_{{X_A} \to 0} \,\frac{{P_B^o}}{{{X_B}}}$ is
→While charging the lead storage battery ____________.
Oncontrolled hydrolysis and condensation, ${R_3}SiCl$ yields
→$o-$ Toluic acid on reaction with $B{r_2} + Fe$ gives
→Which amine will not react with nitrous acid :