(Answer fou (.) questions) Added a
SE IONA (Questions 1-3)
Question one
Write short notes on any TWO » the following:
(a) Separation of (+)-1-propan by the method of diastereoisomer formation
(b) The spectroscopic methods i determining the configuration of geometrical isomers
(c) Separation of racemic mixtures by chromatographic method.

Sex cells from female reproductive organ? 1) mitosis 2) fertilization 3) zygote 4) eggs 5) meiosis 6) sperm

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?

Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness