How is brass solution prepared?

1119

---

Give the principle of potentiometer titration.

1037

---

What are the products formed after cod analysis?

1336

---

Why is sulphuric acid added during the preparation of standard fas solution?

1045

---

Why is the indicator eriochrome black(ebt) shows wine red color at the beginning and blue color at the end?

1462

---

Give the others form of iron ore.

1020

---

What is meant by ph of a solution?

1039

---

State beer-lambert’s law.

1146

---

Why is estimation of copper done at 620 nm wave length?

1441

---

Which of the above conductivity measured during conductometric titration?

1074

---

What is the min constitutes of haematite ore?

1087

---

How is librated iodine estimated?

1094

---

How is the measurement of ph made?

1070

---

What are the advantages of potentiometric titration?

1088

---

How is the viscosity of liquid related to its mobility?

1439

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