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Iso-electronic species is:
(1) F-,O-2
(2) F-, O
(3) F-, O +
(4) F-, O+2
Ans: F-,O-2
A cricket ball of 0.5 kg is moving with a velocity of 100 m/ sec . The wavelength associated with its motion is: (1) 1/ 100cm (2) 6.6 x10 -34 m
give one book name about electromatric effect?&author name?
Various methods are employed to calculate the rate constant. The method to be adopted and the proper selection depend on the experimental condition and nature of reactants and pr
prove berzelius hypothesis
Q. What is Stoichiometry? Ans. As you know a chemical equation is like a recipe. Each of the different ingredients combine in certain ratios to form the end product. The
n-propyl acetate (bp 102 C) evaporates rapidly when exposed to air, but water(bp 100C)does not. Explain why
name the compound LiH
What is the percentage of light that is engaged by the sample after a path length of 1 µm? Calculate the number of photons per second absorbed by the sample. T
Conditions which a dye must satisfy and describe them
If the density of a substance is 7.99 g/mL. What is the mass of 3.60 mL of this substance?
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