Answer Posted / lipak

H2O Because it is molecular structure of water

explain sour gas?

996

---

What is the formula you will use to calculate how many millilitres of 5.5 m naoh are required to prepare 400 ml of 1.5m naoh?

953

---

Why is starch indicator added towards the end point?

927

---

Arrange by acidic values : phenol, nitrotolouene and o-cresol?

1021

---

What is the white precipitate produced at the end of point?

928

---

Why is sulphuric acid added during the preparation of standard fas solution?

989

---

Which wavelengths are visible to human eye?

1165

---

What is glacial acetic acid?

995

---

What is protein - according to chemistry?

1130

---

What are the advantages of potentiometric titration?

1033

---

How is hardness of water caused?

1065

---

Why graphite rod is used in nuclear reactor?

984

---

How is temporary hardness be removed?

1004

---

Why is estimation of copper done at 620 nm wave length?

1375

---

What general group of organic compounds are not oxidesied in the cod test?

1449

---