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Q. Show the broader classification?
A broader classification is based on the reaction of the oxide with water. According to this, oxides are classified as' acidic, basic, neutral or amphoteric.
Acidic oxides dissolve in water to give acidic solutions. These react with alkalis forming a salt and water, e.g., CO2 NO2, SO2, etc.
Co2 + H2O-----------------> H2CO3
CO2+ 2NaOH---------------------> Na2CO3 + H2
Basic oxides dissolve in water to give alkaline solutions. These react with acids forming salt and water, e.g., Na2O, CaO, MgO, etc.
Q. Briefly explain about Diffusion of Gases? Ans. The following are some important points on the diffusion of gases: Gas molecules have an average kinetic energy
various concepts of acid and base
what the uses of nitro compound in pharmacy
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
COMPOUNDS A AND B CONTAIN COPPER AND SULPHUR.EACH CONTAINS 20% AND 33.33% EACH BY MASS OF SULPHUR RESPECTIVELY.FIND THE RATIO OF THE ELEMENTS USING THE THIRD LAW OF CHEMICAL COMBIN
Q. What is sensory evaluation? Foods have several characteristics that require evaluation by sensory methods. The various food attributes that are judged on the sensory scale a
Borazole is very stable because it is aromatic; each nitrogen contributes two p electrons and each boron contributes zero electrons, for a total of six p electrons in the aromatic
Give one significant use of each of the following: (i) Bithional (ii) Chloramphenicol (iii) Streptomycin (iv) Paracetamol
Uses of Aromatic Nitro Compounds (a) Aromatic Nitro Compounds are used on account of their high polarity, aromatic nitro compounds are used as solvents. (b) Nitro compounds
migration of ions,relative speed of ions,transport number,determination of ph from EMF method
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