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preparation method of glycerol
Name the chief ore of silver. Explain with chemical equations the extraction of silver from this ore.
What will be de-Broglie wavelength of an electron moving with a velocity of 1.2 x 10 5 ms -1 : (1) 6.068x 10 -9 (2) 3.133 x 10 -37 (3) 6.626x 10 -9
Phenols : Physical properties: 1.Low molecular weight phenols are normally liquids or low melting solids 2.Due to H- bonding ,most low molecular weight phenols are water soluble 3.
chemical reactions that takes place during salt analysis for class 12
Ions which have the same electronic configuration are those of: (1) Lithium and sodium (2) Sodium and potassium (3) Potassium and calcium (4) Oxygen and chlorine An
Q. Define Allotropic forms? All the elements of the group show allotropy. Oxygen exists in two allotropic forms. Dioxygen. 02, is a diatomic gas, paramagnetic in nature. Lewis
does lowered pH of water affect dissolved oxygen?
Q. How to produce Nitrogen on Industrial Level? Ans. Nitrogen is produced by the fractional distillation of liquid air. Air is cooled to liquefy it. The liquid is then all
For a hydrogen atom, calculate the wavelength (in nm) of an emitted photon in the Lyman series that results from the transition n = 3 to n = 1
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