In water, Hydrogen is present ________by mass.
A. 22% B. 11.11% C. 31.13% D. 15.15%
A. 22% B. 11.11% C. 31.13% D. 15.15%
A. 1° alcohol B. 2° alcohol C. 3° alcohol D. 0° alcohol
A. Benzene B. Phenol C. p-nitrobenzene D. Cresol
A. Ammonia B. 1°Alkyl ammine C. 2° Alkyl ammine D. 3° Alkyl ammine
A. reflection B. refraction C. dispersion D. all of the above
A. chain Isomerism B. Functional Group Isomerism C. Metamerism D. Position Isomerism
A. Cracking B. Reforming C. Refining D. Hydration
A. Reforming B. Cracking C. Refining D. Isomerization
A. Refining B. Cracking C. Reforming D. None of These
A. Coal Tar B. Coal gas C. Coke D. None of These