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

1441

---

Which of the above conductivity measured during conductometric titration?

1076

---

What is the min constitutes of haematite ore?

1091

---

How is librated iodine estimated?

1095

---

How is the measurement of ph made?

1070

---

What are the advantages of potentiometric titration?

1089

---

How is the viscosity of liquid related to its mobility?

1440

---

State beer’s law.

997

---

What is the prime constituents of cement?

1268

---

Mention a few advantages of photoelectric colorimetric determination.

1383

---

Why is ammonium hydroxide added to the brass solution?

1301

---

What is the reaction that occurring between fas and potassium dichromate?

1286

---

What are constituents of brass?

1221

---

Why is the role of glycerol & naoh?

1075

---

What forms the basis for colorimetric determination?

1188

---