What are A, B and C in the following

What are A,B,C in the following series of reaction ? CH_(3)-CHCl_(2) underset(KOH)overset(aq.)(rarr)A overset(dil. Na_(2)CO_(3))(rarr)B overset(Delta)(rarr)C

What are the products B and C in the following reaction sequence ?

What are the product A, B, C, D and E in the following reactions?

What do A, B, C, and D represent in the following figure.

Observe the figure and answer the following questions: (a) What does A,B,C,D and E represent in the given figure? (b) What type of embryo is shown in figure ? (c ) What is the function of A and B ?

What are the pathogens of following diseases? (a) Amoebiasis (b) AIDS (c) Pneumonia