Answer Posted / krezella

if u cant answer this simple auestion then wats the
important of being science sutdent??

Why we use potassium dichromate in control of absorbance in uv region and copper sulphate in control of absorbance in visible region?

2982

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What is the reaction that occurs between iodine and sodium thiosulphate?

1052

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Differentiate between modern periodic table and mendeleevs table?

1171

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What is buffer?

1121

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Explain the term aliquot and diluent?

1339

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why is acetic acid less conductive than hcl?

1164

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Why are the titration involving edta carried out slowly towards the end point?

1191

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What is photoelectric colorimeter?

1035

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What is the chemical formula of alum?

1160

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What are the electrodes used in the measurement of ph for the determination of pka?

1292

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What is determining factor in the oxidation reduction reaction?

1436

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What is a cell?

1165

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Arrange by acidic values : phenol, nitrotolouene and o-cresol?

1083

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What is fluidity of a liquid?

1090

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What is modern definition(iupac) of ph?

1244

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