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What will be the mole fraction of 98% pure H2SO4 in 1 liter solution which has density 1.85gm/ml at ntp?
Q. Illustrate Properties of Protons and Neutrons? Ans. We now know that following fundamental properties of protons and neutrons: 1. The proton has a charge of +1, which
which of the following has smallest heat of hydrogenation per mole A) 1-Butene B)trans-2-butene C)cis-2-butene D)1,3-butadiene Ans) D)1,3-
Difference between Mesomerism and Resonance Even though both resonance and mesomerism denote similar phenomenon, they are different in the following respect: Resonance inclu
Q. What is Hydrate Isomerism? In a compound, water molecules may be present in either coordinated form or as water of crystallisation In the former case water molecules are di
Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon Ans) We know the energy of electron goes on to become more negative as it reache
use of ammonium chloride in 3 group of basic radicals
We can find a compound is acid or base by using litmus test. Acides turnes red litmus to blue colour, in case of base it turnes blue litmus to red.(or) According to arrhenius
Types of interferences - Atomic absorption spectrophotometry: Three types of interferences viz., chemical, spectral and physical interferences are encountered in AAS. These re
What are properties of an ideal electrical insulating material? The following are properties of an ideal (electrical) insulating material: (i) Low dielectric court(high die
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