Answer Posted / rashika

It is composed of copper, zinc, lea and iron.
Copper - 68.5% - 71.5%
Lead - 0.7%
Iron - 0.5%
and remaining is zinc.

Why titration in which hcl and h2so4 is use?

1061

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Explain the term aliquot and diluent?

1327

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What is photoelectric colorimeter?

1026

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What is molar conductivity?

1034

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What is modern definition(iupac) of ph?

1226

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

1074

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What is meant by ph of a solution?

1018

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What is specific conductivity?

1078

---

What is the prime constituents of cement?

1235

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What are the advantages of potentiometric titration?

1082

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Why graphite rod is used in nuclear reactor?

1019

---

What is polar hcl?

1075

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Mention a few application of cod test in environmental engineering practice.

1217

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What is fluidity of a liquid?

1074

---

Differentiate between organic and inorganic chemistry?

1002

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