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Calculate de-Broglie wavelength of an electron travelling at 1% of the speed of light:
(1) 2.73 x 10- 24
(2) 2.42 x 10-10
(3) 242.2x 10- 10
(4) None of these
ans: 2.42 x 10-10
Simple crystallisation - Purification of organic compounds This is the most general technique used to purify organic solids. It is associated with the concept that whenever
laws of chemical combination
1. A sample of water contains: suspended matter = 100 mg; Ca(NO3)2 = 16.4 mg/L; MgSO4 = 24 mg/L; MgCl2 = 19 mg/L; NaOH = 40 mg/L and KOH = 56 mg/L. Calculate temporary, permanent a
If n= 3 , then the value of which is incorrect: (1) 0 (2) 1 (3) 2 (4)3 Ans: 3
#questiolaw of chemical combinationn..
Q. Define functional food? Functional food is a food that has a component incorporated into it to give a specific medical or physiological benefit, other than a purely nutritio
internal conditioning
Distinguish between dry corrosion and wet corrosion. Write brief notes on dissimilar types of liquid crystals.
WHY PHOSPHATE CONDITIONING IS WOKABLE AT ALL VALUE OF PRESSURE?
A red flame is produced when LiCl is heated. How can I determine which transition between the energy levels produces this colour?
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