50. The alkene that exhibits geometrical isomerism is :
(A)
Propene
(B)
2-methylpropene
(C) 2-butene
(D) 2-methyl-2-butene

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d