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During a flame test why is calcium''s flame not persistent, while that of strontium is?
Ans) Because it does not have many ions as compared to the Strontium. It is the ions which produce color.
A water solution contains 64% Na 2 S 2 O 2 together with 1.0% soluble impurity. Upon cooling to 5°C, Na 2 S 2 O 2 ·5H 2 O. crystallizes out. The solubility of this hydrate is 1.35
what can be understood from the law of multiple proportions?
I have a very difficult chemistry online assignment due in and I need help.
Explain variations of electronegativity in group & period
To increase the pressure so that boiling point of water increases and heat provided goes only for cooking food not for boiling water
tests for the presence of iodoform
Q. Illustrate Born-Haber cycle? Boron is always covalent and does not form,B 3+ ions, because' the energy required to remove three electrons is very high. Many simple compo
Non - ideal solutions exhibit either positive or negative deviations from Roulette's law. What are these deviations and why are they caused? Explain with one example for each t
Benzene- Hydrocarbon Benzene is the first or initial member of arenes. It was first revealed by Faraday in year 1825 from whale oil. Mitscherllich (1833) acquired it by distill
why lanthanides and actinides are known as inner transition elements
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