What is glacial acetic acid?

1006

---

What is the chemical formula of alum?

1071

---

Explain acid gas?

987

---

Explain the structure of a dna molecule?

1005

---

Why are use silicon oil mr?

1162

---

How we choose the mobile phase for method development.?

1174

---

How to calibration of the uv spectroscopy and its test?

1156

---

How do we fix the sample concentaryion in hplc method development?

1099

---

How to establish relative response factor for hplc. Why it is required?

1160

---

What is similarity factor?

1153

---

Why ph scale range is 14?

1053

---

Why ph scale range is 14? Why it is not less or not greater than 14?

1163

---

What is kentchin? Is it real?

997

---

Which is the best conductor of electricity?

990

---

Why be is not soluble in liquid ammonia?

1051

---