Several blocks of magnesium are fixed to the bottom of a ship to (a) make the ship lighter (b) p...

Channel:
PW Solutions
Subscribers:
449,000
Published on ● Video Link: https://www.youtube.com/watch?v=yT6WtCeAzwo


Duration: 3:41
1 views
0

Several blocks of magnesium are fixed to the bottom of a ship to
(a) make the ship lighter
(b) prevent action of water and salt
(c) prevent puncturing by under-sea rocks
(d) keep away the sharks
๐Ÿ“ฒPW App Link - https://bit.ly/YTAI_PWAP
๐ŸŒPW Website - https://www.pw.live



Other Videos By PW Solutions


2022-10-26Which of the following is/are correct statement(s) for the addition of \( \mathrm{Li}, \mathrm{K...
2022-10-26The unit of specific conductivity is (a) ohm \( \mathrm{cm}^{-1} \) (b) ohm \( \mathrm{cm}^{-2} ...
2022-10-26The specific conductance of a \( 0.1 \mathrm{~N} \mathrm{KCl} \) solution at \( 23^{\circ} \math...
2022-10-26Which of the following statements regarding given cell representation is/are correct? \[ \mathrm...
2022-10-26Which of the following statements regarding fuel cell is incorrect? (a) These cells are eco-frie...
2022-10-26What will be the emf for the given cell \( \mathrm{Pt}\left|\mathrm{H}_{2}\left(P_{1}\right)\rig...
2022-10-26If \( 0.01 \mathrm{M} \) solution of an electrolyte has a resistance of 40 ohms in a cell having...
2022-10-26The resistance of \( 0.01 \mathrm{~N} \) solution of an electrolyte was found to be \( 220 \math...
2022-10-26Specific conductance of a \( 0.1 \mathrm{~N} \mathrm{KCl} \) solution at \( 23^{\circ} \mathrm{C...
2022-10-26Which of the following is a merit of \( \mathrm{Ni}-\mathrm{Cd} \) cell over lead storage batter...
2022-10-26Several blocks of magnesium are fixed to the bottom of a ship to (a) make the ship lighter (b) p...
2022-10-26The electrode potential \( \mathrm{E}_{\left(\mathrm{Zn}^{2+} / \mathrm{Zn}\right)} \) of a zinc...
2022-10-26\( \mathrm{E}^{\circ} \) for the cell, \( \mathrm{Zn}\left|\mathrm{Zn}^{2+}(\mathrm{aq})\right|\...
2022-10-26The unit of equivalent conductivity is (a) ohm cm (b) \( \mathrm{ohm}^{-1} \mathrm{~cm}^{2} \) (...
2022-10-26What is the standard cell potential \( \mathrm{E}^{\circ} \) for an electrochemical cell in whic...
2022-10-26\( \mathrm{E}^{\circ} \) of a cell \( \mathrm{aA}+\mathrm{bB} \longrightarrow \mathrm{cC}+\mathr...
2022-10-26Which of the following batteries cannot be reused? (a) Lead storage battery (b) Ni-Cd cell (c) M...
2022-10-26Prevention of corrosion of iron by zinc coating is called (a) electrolysis (b) photoelectrolysis...
2022-10-26In the cell reaction \( \mathrm{Cu}(\mathrm{s})+2 \mathrm{Ag}^{+}(\mathrm{aq}) \longrightarrow \...
2022-10-26A device that converts energy of combustion of fuels like hydrogen and methane, directly into el...
2022-10-26Which one of the following cells can convert chemical energy of \( \mathrm{H}_{2} \) and \( \mat...


Tags:
pw