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The mass of a photon with a wavelength equal to 1.54 x 10 -8 cm is:
(1) 0.8268 x 10 -34 kg
(2) 1.287 x10 -33 kg
(3)1.4285x 10 -32kg
(4) 1.8884 x 10 -32 kg
ans: 1.4285x 10 -32
Q. Describe about tetrahalides? S, Se, Te and Po form tetrahalides with all the halogens. However, tetrafluoride of polonium, tetrabromide of sulphur and tetraiodides of sulphu
475 ml at 54 psi to 1760 torr
Q. A sample of water analysis was found to contain temporary magnesium hardness 25 mg/L. Permanent magnesium chloride hardness 15 mg/L and permanent calcium sulphate hardness 20
If n= 3 , then the value of which is incorrect: (1) 0 (2) 1 (3) 2 (4)3 Ans: 3
What is calgon n phosphate conditioning n which one is better?
#questionWHY LANE''S PROCESS IS ALSO KNOWN AS VIVIFICATION PROCESS?..
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Draw a reaction scheme with line-bond structures that illustrates how two amino acids combine to form a dipeptide. What conformation does the peptide bond usually adopt?
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