MCQ
Corrosion can not be prevented by which of the following method?
- AGalvanisation.
- BCreate a barrier between the object being corroded and oxygen.
- CPainting.
- ✓Exposing it to sunlight.
✓
Answer
Correct option: D.
Exposing it to sunlight.
Corrosion can be prevented by creating a barrier between the object and oxygen. Galvanisation is a process to prevent corrosion and so is painting. However, exposing to sunlight is not a method to prevent corrosion.
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
$0.440\,g$ of a substance dissolved in $22.2\,g$ of benzene lowered the freezing point of benzene by ${0.567\,^o}C$. The molecular mass of the substance $({K_f} = {5.12\,^o}C\,mo{l^{ - 1}})$
→$AgN{O_3}$ gives a red ppt. with
→Aniline dissolves in $\text{HCl}$ due to the formation of:
→A current of $16\, ampere$ flows through molten $NaCl$ for $10$ minute. The amount of metallic sodium that appears at the negative electrode would be ............ $\mathrm{gm}$
→The compound which does not give aldol condensation :
Which of the following may be colourless
For the reaction $A + B =2 C$, the speed of extinction of A is $10^{-2}$ mole litre 'second', then what will be the speed of formation of C ?
→In the following reactions, the product $S$ is
→The compound which reacts with Fehling solution is
The acid formed when propyl magnesium bromide is treated with carbon dioxide is