Answer Posted / ankit

They dont have single formula. They are mixtures of many
hydrocarbons

What is determining factor in the oxidation reduction reaction?

1425

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What forms the basis for colorimetric determination?

1172

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What is the function of diethyl amine?

1094

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Mention a few advantages of photoelectric colorimetric determination.

1367

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How do you express the total hardness of water?

1138

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What is meant by ph of a solution?

1019

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What are the electrodes used in potentiometer titration?

1012

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Mention a few important criteria for satisfactory colorimetric analysis.

1529

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What is the metal used to extract copper from the solution of copper sulphate?

1074

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What is the prime constituents of cement?

1236

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Define what is oxidation and reduction reaction?

1053

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What is the min constitutes of haematite ore?

1045

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Why is mercuric chloride added?

1054

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Differentiate between modern periodic table and mendeleevs table?

1157

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What is chemical oxygen demand?

1049

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