The element which is used for vulcanizing rubber
A). Sulphur
B). Bromine
C). Silicon
D). Phosphorus
Sulphur
Vulcanization gives rubber its characteristic elastic quality. This process is carried out by mixing the latex with sulphur (other vulcanizing agents such as selenium and tellurium are occasionally used but sulphur is the most common) and heating it in one of two ways.
2. A thick paste of cement, sand and water is called
3. Which among the following is liquid non-metal ?
4. Domestic cooking gas consists mostly of
5. Which among the following metals provides amphoteric oxide ?
6. Combustion of a candle is a/an
7. What do you understand by the term Espuma ?
8. Question 6.18:For the reaction,2Cl(g) → Cl2(g), what are the signs of ΔH and ΔS ?