MCQ
The process of vulcanization was introduced by $......$
- ✓Charles Goodyear
- BKolbe
- CWohler
- DZeigher
✓
Answer
Correct option: A.
Charles Goodyear
Charles Goodyear invented vulcanization process in $1839.$
Vulcanisation is a process involving heating of rubber with sulphur is called vulcanisation.
Vulcanisation is a process involving heating of rubber with sulphur is called vulcanisation.
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
The mechanism of the reaction,
→$2NO(g) + 2{H_2}(g) \to {N_2}(g) + 2{H_2}O(g)$ is :
Step $1$ : $2NO(g) + {H_2}(g)\xrightarrow{{slow}}{N_2} + {H_2}{O_2}$
Step : $2$ ${H_2}{O_2} + {H_2}\xrightarrow{{fast}}2{H_2}O$
Then the correct statement is
Identify the one which will NOT produce as a major product ?
Complex which shows maximum conductivity amongst these :-
Vapour pressure of $CC{l_4}$ at ${25\,^o}C$ is $143\,mm$ of $Hg\,0.5\,gm$ of a non-volatile solute (mol. wt.$ = 65$) is dissolved in $100\,ml\,CC{l_4}$. Find the vapour pressure of the solution (Density of $CC{l_4} = 1.58\,g/c{m^2}$) ....... $mm$.
→In the above reaction, maximum Saytzeff product will obtained when
$0.01\,M$ solution each of urea, common salt and $N{a_2}S{O_4}$ are taken, the ratio of depression of freezing point is
→Consider the above reaction, the product $A$ and product $B$ respectively are ...
→Type of isomerism exhibited by $\left[\mathrm{Cr}(\mathrm{NCS})\left(\mathrm{NH}_3\right)_5\right]\left[\mathrm{ZnCl}_4\right]$ is:
→Silvering of mirror is done by
The metal ion which does not form coloured compound is