AP EAMCET · Chemistry · Environmental Chemistry
Methemoglobinemia is caused by the presence of \(\mathrm{X}\) in drinking water. \(\mathrm{X}\) is
- A 1000 ppm of sulphate
- B \(20 \mathrm{ppm}\) of fluoride
- C 200 ppm of nitrate
- D \(50 \mathrm{ppb}\) of lead
Answer & Solution
Correct Answer
(C) 200 ppm of nitrate
Step-by-step Solution
Detailed explanation
No solution. Refer to answer key.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- Elements A and B have fcc and bcc structures respectively with a unit cell edge length of \(3 \mathrm{~A}^0\) for both elements. The no. of atoms in \(210 \mathrm{gm}\) of \(\mathrm{A}\) is equal to \(594 \mathrm{gm}\) of \(\mathrm{B}\). If density of \(\mathrm{A}\) is \(7 \mathrm{~g} \mathrm{~cm}^{-3}\), what is the density of \(\mathrm{B}\) ?AP EAMCET 2022 Hard
- The conjugate base of \(\mathrm{H}_3 \mathrm{O}^{+}\)isAP EAMCET 2022 Easy
- Freundlich adsorption isotherm fails at which of the following condition?AP EAMCET 2022 Easy
- A compound \(\left(M_2 \mathrm{O}_2\right)\) of group I element \((M)\) hydrolyses to form \(M^{+}, \mathrm{OH}^{-}\)and \(X\). Another compound \(\left(M^{\prime} \mathrm{O}_2\right)\) of group I element \(\left(M^{\prime}\right)\) hydrolyses to form \(\left(M^{\prime}\right)^{+}, \mathrm{OH}^{-}, X\) and \(Y\). What are \(X\) and \(Y\) respectively ?AP EAMCET 2018 Easy
- If the uncertainty in velocity of electron \((\Delta \mathrm{v})\) is \(0.1 \mathrm{~m} / \mathrm{s}\), the uncertainty in its position \((\Delta x)\) is
(given: \(m_e=9.1 \times 10^{-31} \mathrm{~kg}\) )AP EAMCET 2023 Medium - Observe the following reaction
\(\mathrm{Cl}_2(\mathrm{~g})+2 \mathrm{OH}^{-}(\mathrm{aq}) \rightarrow \mathrm{ClO}^{-}(\mathrm{aq})+\mathrm{Cl}^{-}(\mathrm{aq})+\mathrm{H}_2 \mathrm{O}(\mathrm{l})\)
Identify the correct statements about this reaction
I. \(\mathrm{Cl}_2(\mathrm{~g})\) is oxidized to \(\mathrm{ClO}^{-}\)(aq)
II. \(\mathrm{Cl}_2(\mathrm{~g})\) is oxidized to \(\mathrm{Cl}^{-}(\mathrm{aq})\)
III. \(\mathrm{Cl}_2(\mathrm{~g})\) is reduced to \(\mathrm{ClO}^{-}\)(aq)
IV. \(\mathrm{Cl}_2(\mathrm{~g})\) is reduced to \(\mathrm{Cl}^{-}(\mathrm{aq})\)
The correct answer isAP EAMCET 2023 Medium
More PYQs from AP EAMCET
- The number of vibrational degrees of freedom of a diatomic molecule isAP EAMCET 2022 Easy
- The power of the point \(B(-1,1)\) with respect to the circle \(S \equiv x^2+y^2-2 x-4 y+3=0\) is \(p\). If the length of the tangent drawn from \(B\) to the circles \(S=0\) is \(t\), then the point \((2,3)\) with respect to the circle \(S^{\prime}=0\) having centre at \(\left(p, t^2\right)\) and passing through the origin.AP EAMCET 2019 Hard
- The number of ways in which \(n\) distinct objects can be put into two different boxes isAP EAMCET 2021 Medium
- For which of the following, Kjeldahl's method is not used for the estimation of nitrogen?
I. Aniline
II. Azobenzene
III. Nitrobenzene
IV. PyridineAP EAMCET 2019 Easy - In \(\triangle A B C\), if \(a=13, b=14\) and \(\cos \frac{C}{2}=\frac{3}{\sqrt{13}}\), then \(2 r_1=\)AP EAMCET 2024 Easy
- If \(\cos \frac{y}{x}=A \log x+C\) is the general solution of \(\left(x \sin \frac{y}{x}\right) d y=\left(y \sin \frac{y}{x}-x\right) d x\), then \(A=\)AP EAMCET 2022 Medium