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Formaldehyde:
Formaldehyde is the initial member of the aldehyde sequence. It is lie in green leaves of plants where its presence is supposed to be due to the reaction of with water in presence of sunlight and chlorophyll.
Calculate the mass of sodium chloride: Problem: Let us calculate the mass of sodium chloride in a solution containing 24 Na (half-life, 15 h) whose activity is 5.7 mCi
what is the symmetry of a star
the value of plank''s constant
Define Electric Potentials in the Cell? The electric potential - at a point in space is de?ned as the change in the electrical potential energy of an in?nitesimal test charge w
Fission of Covalent bond
Quantitative analysis: The quantitative analysis could be carried out using standard calibration curve, through standard addition or internal addition method. The method is su
Melting and freezing points: When a pure solid substance is heated through its melting point (melting temperature), the solid changes to a liquid. At the melting point equilibr
Electronic configuration of ferric ion is: (1) [Ar] 3d 5 (2) [Ar] 3d 7 (3) [Ar] 3d 3 (4) [Ar] 3d 8 Ans: [Ar] 3d 5
A sample of water collected in the field had a pH of 6.8. By the time it was analyzed in the lab, the pH had decreased to 6.0. Give a possible explanation.
Principle of atomic emission spectrometry: The analyte sample is introduced into the centre of the plasma as an aerosol with the help of a nebuliser using argon flow. In the p
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