Which of the following is used in thermite welding ?
[AMU (Engg.) 2...
Which of the following is used in thermite welding ?
[AMU (Engg.) 2010]
(a) \( \mathrm{TiO}_{2}+4 \mathrm{Na} \longrightarrow \mathrm{Ti}+2 \mathrm{Na}_{2} \mathrm{O} \)
(b) \( 2 \mathrm{Al}+\mathrm{Fe}_{2} \mathrm{O}_{3} \longrightarrow \mathrm{Al}_{2} \mathrm{O}_{3}+2 \mathrm{Fe} \)
\( \mathrm{P} \)
(c) \( \mathrm{SnO}_{2}+2 \mathrm{C} \longrightarrow \mathrm{Sn}+2 \mathrm{CO} \)
(d) \( \mathrm{Cr}_{2} \mathrm{O}_{3}+2 \mathrm{Al} \longrightarrow \mathrm{Al}_{2} \mathrm{O}_{3}+2 \mathrm{Cr} \)
W
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions
| 2023-02-13 | Which of the following salts will evolve halogen on treatment with ... |
| 2023-02-13 | In liquid-gas equilibrium, the pressure of vapours above the liquid... |
| 2023-02-13 | A resistance Rof thermal ceeficicent of fressistivity \( =0 \). isc... |
| 2023-02-13 | Show that the points \( (0,1,2),(2,-1,3) \) and \( (1,-3,1) \) are ... |
| 2023-02-13 | If \( x \) and \( y \) are non zero real numbers satisfying \( x y\... |
| 2023-02-13 | Which one of the two, an ammeter or a milliammeter, has a higher re... |
| 2023-02-13 | Find the point in XY-plane which is equidistant from three points \... |
| 2023-02-13 | Show that the points \( (0,7,10),(-1,6,6) \) and \( (-4,9,6) \) are... |
| 2023-02-13 | Which of the following metals has the largest abundance in the eart... |
| 2023-02-13 | Which among the following is/are peroxo acid (s) ?
(A) \( \mathrm{H... |
| 2023-02-13 | Which of the following is used in thermite welding ?
[AMU (Engg.) 2... |
| 2023-02-13 | Draw a circuit diagram using a metre bridge and write the necessary... |
| 2023-02-13 | In the equation ,
\( \mathrm{P} \) \( 4 M+8 \mathrm{CN}^{-}+2 \math... |
| 2023-02-13 | 2 moles of ideal gas at \( 27^{\circ} \mathrm{C} \) temperature is ... |
| 2023-02-13 | If \( \cot ^{3} \alpha+\cot ^{2} \alpha+\cot \alpha=1 \) then
(A) \... |
| 2023-02-13 | In aluminium extraction by the Baeyer's process, alumina is extract... |
| 2023-02-13 | The autoreduction process is not used in the metallurgy of :
(a) \(... |
| 2023-02-13 | Which of the following statement is incorrect?
(a) Hydrogen is used... |
| 2023-02-13 | In the primary circuit of potentiometer the rheostat can be varied ... |
| 2023-02-13 | Show that the points \( (a, b, c),(b, c, a) \) and \( (c, a, b) \) ... |
| 2023-02-13 | Select the correct statement(s) regarding reaction of \( \mathrm{SO... |
0