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Q. Hypothesis on chlorofluorocarbon?
A hypothesis is a probable explanation for what has been observed. Based on the explanation of ozone thinning and CFC build-up in the chemists Mario Molina, the atmosphere and F. Sherwood Rowland hypothesized that CFCs break in the atmosphere due to the Sun's ultraviolet rays. They additional hypothesized that a chlorine particle produced by the breakdown of CFCs could break down ozone.
what are the reactions of dihydric alcohol?
names
The following has zero valency : (1) Sodium (2) Beryllium (3) Aluminium (4) Krypton Ans: Krypton
What is the principle underlying the extraction of metal
Piezoelectric effect is the production of electricity by?? Piezoelectric effect is the forming of electricity by pressure.
Q. Explain about Peroxoacids of Sulphur? There are two peroxoacids of sulphur, viz., peroxomonosulphuric acid, H 2 SO 5 , and peroxodisulphuric acid, H 2 S 2 O,. These acids ar
The correct ground state electronic configuration of chromium atom is: (1) [Ar] 3d 5 4s 1 (2)[Ar]3d 4 4s 2 (3) [AR]3d 6 4s 0 (4
what is cyrogenic technology ?? explain with defination please
Types of chromatography- Purification of organic compounds Depending on the nature of the stationary and the mobile phases, the different types of chromatographic methods gener
Uses of Sucrose, Cane-sugar (1) Sucrose is used as a sweetening substance for several jams, syrups sweets, food preparations etc. (2) Sucrose is used in the making of sucros
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