jee-advanced 2007 Q22

jee-advanced · India · paper2 Not Maths
22. Column I gives some devices and Column II gives some processes on which the functioning of these devices depend. Match the devices in Column I with the processes in Column II and indicate your answer by darkening appropriate bubbles in the $4 \times 4$ matrix given in the ORS.
Column I
(A) Bimetallic strip
(B) Steam engine
(C) Incandescent lamp
(D) Electric fuse
Column II
(p) Radiation from a hot body
(q) Energy conversion
(r) Melting
(s) Thermal expansion of solids
Answer A - 's, q' OR ' s' alone
  1. Consider a titration of potassium dichromate solution with acidified Mohr's salt solution using diphenylamine as indicator. The number of moles of Mohr's salt required per mole of dichromate is
    (A) 3
    (B) 4
    (C) 5
    (D) 6

Answer
[Figure]
(A)
[Figure]
(B)
[Figure]
(C)
[Figure]
(D)
(C)olumn I gives certain situations in which a straight metallic wire of resistance R is used and Column II gives some resulting effects. Match the statements in Column I with the statements in Column II and indicate your answer by darkening appropriate bubbles in the $4 \times 4$ matrix given in the ORS.
22. Column I gives some devices and Column II gives some processes on which the functioning of these devices depend. Match the devices in Column I with the processes in Column II and indicate your answer by darkening appropriate bubbles in the $4 \times 4$ matrix given in the ORS.

\section*{Column I}
(A) Bimetallic strip\\
(B) Steam engine\\
(C) Incandescent lamp\\
(D) Electric fuse

\section*{Column II}
(p) Radiation from a hot body\\
(q) Energy conversion\\
(r) Melting\\
(s) Thermal expansion of solids

\section*{Answer A - 's, q' OR ' s' alone}
\begin{enumerate}
  \setcounter{enumi}{22}
  \item Consider a titration of potassium dichromate solution with acidified Mohr's salt solution using diphenylamine as indicator. The number of moles of Mohr's salt required per mole of dichromate is\\
(A) 3\\
(B) 4\\
(C) 5\\
(D) 6
\end{enumerate}

Answer

\begin{figure}[h]
\begin{center}
  \includegraphics[alt={},max width=\textwidth]{e79946a0-735d-438d-ac42-5265ab72284d-11_80_82_1405_337}
\captionsetup{labelformat=empty}
\caption{(A)}
\end{center}
\end{figure}

\begin{figure}[h]
\begin{center}
  \includegraphics[alt={},max width=\textwidth]{e79946a0-735d-438d-ac42-5265ab72284d-11_80_87_1405_483}
\captionsetup{labelformat=empty}
\caption{(B)}
\end{center}
\end{figure}

\begin{figure}[h]
\begin{center}
  \includegraphics[alt={},max width=\textwidth]{e79946a0-735d-438d-ac42-5265ab72284d-11_80_84_1405_623}
\captionsetup{labelformat=empty}
\caption{(C)}
\end{center}
\end{figure}

\includegraphics[max width=\textwidth, alt={}, center]{e79946a0-735d-438d-ac42-5265ab72284d-11_80_87_1405_760}\\
(D)\\