Which is the most stable sulphur at room temperature?

1021

---

For what purpose ammonal is used?

1092

---

What is the structure of phosphorous?

1020

---

Borax is chemically called as ?

1222

---

give the formula of borax?

1042

---

In which oxidation state chromium exhibit different color?

951

---

What is inert pair effect?

1265

---

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

1114

---

What is the bond angle of phosphorous?

1025

---

What is activation energy?

1056

---

What are hydrides of boron called?

953

---

What does hess law states?

1025

---

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

984

---

What is the other name of sulphur?

1074

---

Which univalent element cannot form alums and why?

1072

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