2019Science
Arrange the following substances in chronological order of their first synthesis in lab:
1. Black gold
2. Fullerene
3. Graphene
4. Kevlar
Select correct answer from the codes given below:
UPPCS previous year question
Paper question with options and verified answer
Arrange the following substances in chronological order of their first synthesis in lab:
1. Black gold
2. Fullerene
3. Graphene
4. Kevlar
Select correct answer from the codes given below: