Why we don't add Hcl, HNO3, H3PO4 in residue on ignition, why we add H2SO4



Why we don't add Hcl, HNO3, H3PO4 in residue on ignition, why we add H2SO4..

Answer / nagabhushan

Because sulphates are more stable at 800 degrees when compared with chlorides and nitrates

Is This Answer Correct ?    1 Yes 0 No

Post New Answer

More Analytical Chemistry Interview Questions

why we are taking 89ml concentrated HCL for preparing 1N HCL

3 Answers  


What should be the calibration procedure for wavelength accuracy in case of HPLC?

4 Answers  


Please do not join if u got offer in oncotherapies ltd (STRIDESARCOLAB)especially Mr.Mahesh Bhatt team because job is not secure his team and doesn't have confidence on him becareful this offer?

1 Answers   Strides Arcolab,


how you determine moist.of NaOH sol or NaOH flacks

0 Answers  


In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?

0 Answers   Orchid,






why we are using k2cr207 in uv calibration ? why we r not using kmno4?

1 Answers   Glochem, Sidmak Laboratories,


What is the procedure for the calibration of ph meter?

1 Answers   IBS,


What is dose dumping? why require to do?

0 Answers  


How to do regeneration of Metacarb Pb plus column?

0 Answers  


importance of internal standard and in what conditions it is used?

1 Answers  


Do you have experience with organic extractions or tissue digestions?

1 Answers   GVK Biosciences,


Why will a solution of aspirin without acid or basic hydrolysis give yellow colour with a solution of Ferric chloride?

1 Answers  


Categories
  • Organic Chemistry Interview Questions Organic Chemistry (342)
  • Inorganic Chemistry Interview Questions Inorganic Chemistry (123)
  • Analytical Chemistry Interview Questions Analytical Chemistry (1387)
  • Physical Chemistry Interview Questions Physical Chemistry (62)
  • General Chemistry Interview Questions General Chemistry (478)
  • Chemistry AllOther Interview Questions Chemistry AllOther (190)