Which is the most stable sulphur at room temperature?

1122

---

For what purpose ammonal is used?

1173

---

What is the structure of phosphorous?

1117

---

Borax is chemically called as ?

1310

---

give the formula of borax?

1156

---

In which oxidation state chromium exhibit different color?

1043

---

What is inert pair effect?

1384

---

How many sigma and pi bonds are present in nitrogen formula?

1203

---

What is the bond angle of phosphorous?

1126

---

What is activation energy?

1138

---

What are hydrides of boron called?

1054

---

What does hess law states?

1126

---

Bleaching powder is obtained when cl2 is passes through which inorganic compound?

1095

---

What is the other name of sulphur?

1184

---

Which univalent element cannot form alums and why?

1187

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