In which situation we require to prepare the standard solution from sample in Related substance method?

777

what is difference b/w "regio selectivity" & "sterio selectivity"

2439

Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?

2833

An atom has 18 protons and 22 neutrons. Tell me its mass number?

994

Which of the above conductivity measured during conductometric titration?

1070

from where i get mortar pastle for glass bottle crush? it's required for testing of it?

2265

What are common snowflake shapes?

2495

Actinium-227 has a long half-life and emits alpha particles. How can this property be harnessed in radiation detectors or other monitoring devices?

652

Protactinium has a relatively short half-life for some of its isotopes. How does this characteristic impact its practical uses and research?

576

Explain acid gas?

1046

Mention a few application of cod test in environmental engineering practice.

1234

what is the relation between Total organic carbon and Chemical Oxygen demand?

2918

How to fix the sample conc. in Related substances test by HPLC?

1096

Why is ph increases suddenly after the equivalence point?

1034

Why titration in which hcl and h2so4 is use?

1071