Which is the best conductor of electricity?

583

---

Why be is not soluble in liquid ammonia?

591

---

Acid value definition is number milligrams of koh required to nuetralise the acid present in one gram oil & fats but why not use naoh for nuetralisation?

663

---

When a glass rod is heated gradually and suddenly dipped in cold water, it cracks. What is the reason?? When a cool glass rod is suddenly heated, it cracks. Why?

536

---

Why ph scale range is 14? Why it is not less or not greater than 14? Solution of hcl or hydrogen containing liquid has a ph. But if the solution is kmno4 here nothydrogen power does it ph?

621

---

What is german silver?

508

---

What is phase transfer catalyst?

632

---

Why titration in which hcl and h2so4 is use?

579

---

However ozone is heavier than oxygen still ozone is up there in sky why?

538

---

What is mineral water?

606

---

WHAT IS THE PARAMETER FOR THE SELECTION OF MOBILE PHASE IN HPLC?

637

---

CAN WE DETERMINE THE PEAK PURITY IN GAS CHROMATOGRAPHY ANALYSIS?

696

---

What is the unit of ph?

608

---

What is kentchin?

584

---

Give the IUPAC name for [Co(NH3)5Cl] SO4

592

---