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Antifertility drugs:
These are the chemical substances employed to manage the pregnancy. These are as well known as oral contraceptives. The fundamental plan of anti fertility drugs is to avoid conception or fertilization.
Oral contraceptives connected to the class of natural products termed as steroids.
Both of them control the female menstrual cycle and ovulation. The birth control medicines are mainly a mixture of estrogen and progesterone derivatives that are much more potent as compared to the natural hormones.
how yield of ether is highest when the halide ion is displased from a primary rather than secondary or tertiary halide?
CRYSTALLINE SOLIDS Solids may be loosely categorized into two groups. Amorphous solid has no long-range order in their molecular or atomic structure. By their nature Amorphous
Show that wavefunction ψ1(x) = (2/L) 1/2 sin(πx/L) of a particle in a box is an eigenfunction of the operator d 2 /dx 2 and also calculate the corresponding eigenvalue.
which is the main postulate of bohr''s model of atom
Q. Beneficiation of Ores? Most of the ores available in nature contain large amounts of impurities, i.e. gangue. Direct extraction of metals from the ores by metallurgical proc
Perfluorocarbons (PFCs): Perfluorocarbons (C n F 2n+2 ) are acquired by controlled fluorination of vapourized alkanes diluted along with nitrogen gas in the existence of a cata
how do we test for functional groups in chemistry lab
1. CH2=CH-CH3 inpresence of SO2Cl2 (UV light) product..?? 2. (CH3)3CH +Cl2 undergo photo halogenation product..?? 3. 1-propyne react with HCl product is? Solution) 1 SO2Cl2 resu
The mass of a photon with a wavelength equal to 1.54 x 10 -8 cm is: (1) 0.8268 x 10 -34 kg (2) 1.287 x10 -33 kg (3)1.4285x 10 -32 k
Calculate the energy required to compress carbon dioxide from 1 bar to 50 bar (final volume is 50 ml, 298 K, ideal gas).
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