MCQ
Select the incorrect option, when a lead storage battery is discharged -
- ✓$SO_2$ is evolved
- BLead sulphate is produced at both electrodes
- CSulphuric acid is consumed
- DWater is formed
✓
Answer
Correct option: A.
$SO_2$ is evolved
a
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Assertion :A spectral line will be observed for a $2p_x-2p_y$ transition.
Reason : The energy is released in the form of wave of light when electron drops from $2p_x$ to $2p_y$ orbital.
→Reason : The energy is released in the form of wave of light when electron drops from $2p_x$ to $2p_y$ orbital.
The structure of salol is
The enthalpy change at $298\,K$ for decomposition is given in the following two steps
→Step $I\,\,:$ ${H_2}O(g)\, \to \,H(g)\, + \,OH(g)\,;$ $\Delta H = 498\,kJ\,mol^{-1}$
Step $II\,\,:$ $OH(g)\, \to \,H(g)\, + \,O(g)\,;$ $\Delta H = 428\,kJ\,mol^{-1}$
The bond enthalpy of the $O-H$ bond is....$kJ\,mol^{-1}$
$X, Y, Z$ reaction are respectively
→Which of the following Xenon compound does not produce explosive $XeO_3$ on its complete hydrolysis?
→Product $(A)$ is
→An accelerated electron has a speed of $5 \times 10^{6} \,\mathrm{~ms}^{-1}$ with an uncertainty of $0.02\,\%$. The uncertainty in finding its location while in motion is $x \times 10^{-9}\, \mathrm{~m}$. The value of $x$ is $......$ (Nearest integer)
→[Use mass of electron $\left.=9.1 \times 10^{-31}\, \mathrm{~kg}, \mathrm{~h}=6.63 \times 10^{-34}\, \mathrm{~J} \mathrm{~s}, \pi=3.14\right]$
The osmotic pressure of a solution is directly proportional to
Superphosphate is a mixture of
Match the items in Column $I$ with its main use listed in Column $II$
→| Column $I$ | Column $II$ |
| $(A)$ Silica gel | $(i)$ Transistor |
| $(B)$ Silicon | $(ii)$ Ion-exchanger |
| $(C)$ Silicone | $(iii)$ Drying agent |
| $(D)$ Silicate | $(iv)$ Sealant |