65. Which of the following is not the method of preparation of alkylhalide? (a) Darzen's
method
(b) halogenation of alkene c) addition of HX on alkenes (d) hydration of alkene (e)
saponification reaction

Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump

In pqr m< p=60 m< q= 30 and m

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth