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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.
Q. Show the properties of Tetrahydrido borate? Tetrahydrido borate anion BH - 4 has a tetrahedral structure which can be explained on the basis of sp 3 hybridisation of boron
how can i specify R and S centers in spiro compounds ?
How to prepare preparative TLC plates and how to separate compound by preparative TLC
2. A mixture is prepared by adding 25.0 mL of 0.185 M Na3PO4 to 34.0 mL of 0.140 M Ca(NO3)2. (a) What mass of Ca3(PO4)2 will be formed? (b) What will be the concentrations of eac
If you have 250 mL of 2 M sodium sulfate diluted to make 0.500 M of sodium sulfate, how would you figure out the volume?
What is the difference between scale and sludge formation...give difference between them more then 6 example.
why are higher members of amines less odourous
group1 metal reacts execess of oxygen
Properties
why are lanthanides and actinides called innertransition metals
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