Answer Posted / swapnil

Lead- upto .07 %
Iron- 0.02 %
Copper- 65-75%
Zinc- Balanaced

What is iron ore consists of?

629

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What is the difference between volumetric solutions and test solutions

2582

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Write the equation of photosynthesis?

592

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Give the principle of potentiometer titration.

570

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Which is the indicator used in the determination of cao I cement solution?

574

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

579

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Explain extraction of ephedrine from a mineral block?

592

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Write the structural formula for edta.

631

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Explain the process of spontaneous combustion?

599

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What is chemical oxygen demand?

597

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What is titration?

611

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What is the difference between fractionation and distillation?

596

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

638

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How are ph and pka related?

630

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explain sour gas?

611

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