Why is disodium salt of edta preferred to edta?

1547

---

Why is the color of the indicator drop remains the same at the end point?

1239

---

Why is ammonia-ammonium chloride buffer added?

1183

---

What is an indicator electrode?

1303

---

What general group of organic compounds are not oxidesied in the cod test?

1511

---

What is the purpose of adding urea?

1403

---

What is the role of stannous chloride?

1388

---

What is determining factor in the oxidation reduction reaction?

1443

---

State lambert’s law.

1210

---

What is the reaction that occurs during the titration?

1092

---

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

1297

---

When did solar system come into existence?

141

---

Does astronomy help you with other things in life?

103

---

Describe how are clouds formed?

111

---

How many moons do Saturn planet have?

145

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