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If uncertainty in the position of an electron is zero, the uncertainty in its momentum would be: (1) Zero (2) (3) > h/ 2γ (4) Infinite
two reasons why is it necessary to ionise chromium atomsin a sample
Q. Illustrate the physical property of matter? A physical property of a substance is a quality that can be observed and measured without changing the composition of the subst
What is the difference among multimolecular and macromolecular colloids? Give one example of each type. How are associated colloids dissimilar from these two types of colloids?
How can decrease alcohlic acidity in wheat flour.
I have the following reactions (1)NaOH+CO2+M=NaHCO3+M, K1 (2)NaHCO3+H=Na+H2CO3, K2 (3)2NaHCO3+M=(NaHCO3)2+M, K3 ki''s are the rate constants. Suppose NaHCO3 is a dominating constit
HALOGENS The halogen group (17) is the biggest electronegative in the periodic table, and all elements readily form halide ions X-. Trends in chemistry resemble those collect in
Q. Explain Lead chamber process? Lead chamber process, is the older of the two processes. In this process SO 2 , is produced by burning S or roasting pyrites. S + O 2 -
why ionisation energy of aluminium is greater then Ga?
a sample of CaCo3 and MgCo3 weighing 192g is ignited to constanr weight of 104 gm . what is the composition of mixture ?
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