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Liquid propellants - Monopropellants and Bipropellants
These contain an oxidizer like liquid oxygen, nitrogen tetroxide (N2O2) or nitric acid and a fuel for example alcohol, hydrazine, liquid hydrogen & kerosene. These are further categorized as,
(1) Monopropellants
(2) Bipropellants
The table below gives intrinsic viscosity values explained by viscometry and weight- average molar mass values explained under the similar conditions by static light scattering
How do you account for the following: (a) All scandium salts are white. (At. No. of Sc = 21) (b) The first ionization energies of the 5d transition elements are higher than
Explain the mechanism of fluid film or hydrodynamic lubrication.
For n= 3 energy level, the number of possible orbitals (all kinds) are: (1) 1 (2) 3 (3) 4 (4) 9 Ans: 9
Q. In 1982, the International Union of Pure and Applied Chemistry recommended that the value of the standard pressure p o be changed from 1 atm to 1 bar. This change affects the
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The nucleus of an element contains 9 protons. Its valency would be : (1) 1 (2) 3 (3) 2 (4) 5 Ans: 1
What are two factors that contribute to the acidity of 2-naphthol
Q. Show the Hydrides of Boron and Aluminium? Boron forms a series of volatile hydrides which resemble in some respects, e.g., volatility and covalent nature, the hydrides of c
Q. Show Chemical properties of Thorium metal? You know that actinium and all the actinides are radioactive. Of these only uranium and thorium are extracted from ores, all other
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