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Advantages of Biliquid Propellants over Solid Propellants
1. The biliquid propellants generate higher thrust as compared to solid propellants.
2. The thrust produced by liquid propellants can be controlled by switching on and off the flow of propellants. On the other case, the thrust should not be controlled in solid propellants.
Which of the following reduces the activation energy of a chemical reaction?
the most probable radius for finding the electron in he+
saltness analysis of inrganic premiliminary test
Q. Explain about beta radiation? The second common kind of radiation is beta radiation which consists of high-energy electrons called beta particles (β -particles).
Name the building blocks of lecithin. Show the head and tail structures of both lipids in the structure above. Lipids are substances that are soluble in organic solvent
General Tests of Esters (a) Esters has sweet smell (b) Esters is neutral towards litmus (c) A pink colour is developed while one or two drops of phenolphthalein are adde
Q. Illustrate about Borohydrides? Borohydrides like NaBH 4 ,, Be(BH 4 ,) 2 and Al(BH 4 )are the salts of complex tetrahydridoborate anion, BH - 4 ,. Since in BH - 4 ,. bor
what is the difference between acids, bases and alkalis?
Which category matches with Ca(OH)2? - a. It is a Lewis acid. - b. It is a diprotic Br0nsted acid. - c. It is a salt. d. It is an Arrhenius base.
Number of unpaired electrons in inert gas is: (1) Zero (2) 8 (3) 4 (4) 18 Ans: Zero
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