Answer Posted / sudhakar

woolen clothes keep us warm in winter because the air gets trap in between the woolen cloth so we will feel warm in winter

What is equivalent conductivity?

1159

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

1014

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How is measurement of ph made?

1015

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What makes a molecule into organic molecule?

1204

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What is mineral water?

1028

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Why is the indicator eriochrome black(ebt) shows wine red color at the beginning and blue color at the end?

1414

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What is protein - according to chemistry?

1156

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How is the measurement of ph made?

1028

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State lambert’s law.

1167

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What is modern definition(iupac) of ph?

1198

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Why is eriochrome black t indicator cannot be used in this experiment?

1139

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Why we use potassium dichromate in control of absorbance in uv region and copper sulphate in control of absorbance in visible region?

2944

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What are the advantages of potentiometric titration?

1055

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Mention the formula to calculate ph of a solution?

1295

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What is the prime constituents of cement?

1208

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