Answer Posted / sj

The purest form of water is rainwater.

What is the min constitutes of haematite ore?

1141

---

How do you express the total hardness of water?

1181

---

How are pka and strength of a weak acid related?

1093

---

What is german silver?

942

---

How many millilitre is equal to 1 litre and how many microliter is equal to litre?

1151

---

What is glacial acetic acid? What are its uses?

1113

---

What is the purpose of adding urea?

1438

---

What is wave length?

1052

---

What are the constituents of cements?

1101

---

Why graphite rod is used in nuclear reactor?

1079

---

How does the viscosity vary with temperature?

1138

---

Mention a few advantages of photoelectric colorimetric determination.

1436

---

Why is ph increases suddenly after the equivalence point?

1079

---

which gas is used in preaparation of bit salt

2361

---

What is dextro-rotatory and levo-rotatory?

1276

---