KCET · Chemistry · General Principles and Processes of Isolation of Metals
Among the following, the main reactions occurring in blast furnace during extraction of iron from haematite are:
i. \(\mathrm{Fe}_{2} \mathrm{O}_{3}+3 \mathrm{CO} \rightarrow 2 \mathrm{Fe}+3 \mathrm{CO}_{2}\)
ii. \(\mathrm{FeO}+\mathrm{SiO}_{2} \rightarrow \mathrm{FeSiO}_{3}\)
iii. \(\mathrm{Fe}_{2} \mathrm{O}_{3}+3 \mathrm{C} \rightarrow 2 \mathrm{Fe}+3 \mathrm{CO}\)
iv. \(\mathrm{CaO}+\mathrm{SiO}_{2} \rightarrow \mathrm{CaSiO}_{3}\)
- A ii and ii
- B i and iv
- C \( \mathrm{i} \) and \( \mathrm{ii} \)
- D iiii and iv
Answer & Solution
Correct Answer
(B) i and iv
Step-by-step Solution
Detailed explanation
(B)
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
- A reaction has both \( \Delta \mathrm{H} \) and \( \Delta \mathrm{S} \) - ve. The rate of reactionKCET 2017 Easy
- The change in hybridization (if any) of the 'Al' atom in the following reaction is \(\mathrm{AlCl}_3+\mathrm{Cl}^{-} \rightarrow \mathrm{AlCl}_4^{-}\)KCET 2025 Easy
- Among the following, the products formed by the reaction of anisole with HI areKCET 2022 Hard
- \( \mathrm{KMnO}_{4} \) acts as an oxidising agent in alkaline medium. When alkaline \( \mathrm{KMnO}_{4} \) is treated
with \( \mathrm{KI} \), iodide ion is oxidized toKCET 2018 Medium - Give the IUPAC name of \(\left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right)_{4}\right]\left[\mathrm{Pt} \mathrm{Cl}_{4}\right]\) isKCET 2020 Easy
- Which one of the following is not true regarding electromeric effect?KCET 2012 Easy
More PYQs from KCET
- The kind of coelom reprensented in the diagram given below is characteristic of
KCET 2014 Hard - The three points \(A(2, 4, 3), B(4, a, 9)\) and \(C(10, -1, 7)\) form a right-angled triangle with \(\angle B = 90^\circ\), then the value of "a" isKCET 2026 Medium
- The point on the curve \( y^{2}=x \) where the tangent makes an angle of \( \pi / 4 \) with \( x \)-axis isKCET 2017 Easy
- If \(A=\left[\begin{array}{lll}2 & 1 & 0 \\ 0 & 2 & 1 \\ 1 & 0 & 2\end{array}\right]\), then \(|\operatorname{adj} A|\) is equal toKCET 2009 Medium
- How many moles of acidified \(\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}\) is required to liberate 6 moles of \(\mathrm{I}_{2}\) from an aqueous solution of \(\mathrm{I}^{-}\)?KCET 2020 Medium
- Lower members of aliphatic carboxylic acidare soluble in water. This is due toKCET 2017 Easy