Answer Posted / sj

The purest form of water is rainwater.

What is meant by transmittance?

1071

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What is the composition of ferroin?

1096

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What is the white precipitate produced at the end of point?

979

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How are ph and pka related?

1098

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Why is ammonia solution added while preparing edta solution?

1380

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what are the role of chemistry education in sustainable development

2578

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How will you calculate how many moles of glucose present in 320 ml of 5.0 m of glucose solution?

1087

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Explain extraction of ephedrine from a mineral block?

1050

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

974

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How is measurement of ph made?

1047

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

1452

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why is acetic acid less conductive than hcl?

1148

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

1077

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What is the principle involved in conductometric titration?

1155

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can we Consider the Purity threshold and Purity angle in place of peak purity for the specificity test for method verification

1833

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