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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.
about synthetic detergents
In 2008, Safeway has converted all its trucks to bio-diesel B20 which is a mixture of 20% of bio-diesel produced from soybean and 80% of diesel in volume. It claimed that 34,000 to
Uses of Acetic anhydride (a) Acetic anhydride is used as an acetylating agent. (b) Acetic anhydride is used for the detection and estimation of hydroxyl and amino group.
Q. Discuss the classification of polymers. OR How are polymers classified? Explain with suitable examples. Ans. Polymers are classified on th
In lab, you're having fun along with buffers based onto a 0.1 M solution of sodium phosphate at pH7.0. Into this system, there are three of pK A s as: 12.7, 7.21 and 2.12.
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Ask questionfreezing point as exemple of colligative propertiy. #Minimum 100 words accepted#
the measured dipole moment of-para nitroaniline (6.2D) is larger than the value calculating using empirical group moment (5.2D)
Most ligands have a nonbonding electron pair that may react as a donor to empty orbitals on the metal atom. In ligands known as π acids or π acceptors a donor-acceptor communic
why is carbon valency four
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