Answer Posted / raghav

Chemical formula of petrol is C9H20

What is kentchin?

1020

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Why is ph increases suddenly after the equivalence point?

1015

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Why is starch indicator added towards the end point?

970

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What is si unit of viscosity-coefficient?

1101

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Why titration in which hcl and h2so4 is use?

1052

---

What is an indicator electrode?

1272

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Mention a few important criteria for satisfactory colorimetric analysis.

1521

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

1202

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Acid value definition is number milligrams of koh required to nuetralise the acid present in one gram oil & fats but why not use naoh for nuetralisation?

1129

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How is librated iodine estimated?

1059

---

How does the viscosity vary with temperature?

1062

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What is polar hcl?

1065

---

which gas is used in preaparation of bit salt

2307

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What is the formula you will use to calculate how many millilitres of 5.5 m naoh are required to prepare 400 ml of 1.5m naoh?

999

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What forms the basis for colorimetric determination?

1167

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