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

1157

---

What is kentchin? Is it real?

994

---

Which is the best conductor of electricity?

988

---

Why be is not soluble in liquid ammonia?

1047

---

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?

1101

---

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?

981

---

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?

1115

---

What is german silver?

856

---

What is phase transfer catalyst?

1053

---

Why titration in which hcl and h2so4 is use?

1028

---

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

1022

---

What is mineral water?

1020

---

Which are the main coalition groups in the agriculture negotiations?

887

---

Is india a member of any coalition?

918

---

Rules for multilateral trade in agricultural products were already in place at the end of the uruguay round. What is the purpose of the agriculture negotiations under the doha round?

837

---