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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.
The wavelength of a spectral line for an electronic transition is inversely related to: (1) The number of electrons undergoing the transition (2) The nuclear charge of the a
Why liquids rise in the cappilary tube ? Explain.
If you have 250 mL of 2 M sodium sulfate diluted to make 0.500 M of sodium sulfate, how would you figure out the volume?
why does the sulphur has three different valency
The nucleus of the element 21E^45 contains
Q. What is a mixture experiment? Mixture experiment is an experiment in which food quality indices are assured to depend on the relative proportion of ingredients.
Q. Show the Factors Affecting Equilibrium Position? Ans. The term equilibrium position refers to the relative proportions of reactants and products in the equilibrium mixt
Organometallic compounds Organic compounds where a metal molecule is directly associated to carbon or organic compounds which consist of at least one carbon-metal bond are know
Q. Compare pot furnace and tank furnace used in manufacture of glass. Ans. S.NO. Pot furnace Tank furnace 1. Used f
You are given a sample block of an unknown metal. The block displaces 3.24 mL of water and has a mass of 62.5429 g. What is the density of the unknown metal? What is the metal?
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