Answer Posted / shivam

It is the displacement of water in the downward direction.
Mostly it is used to collect the gas that is dissolved in
water. For the collection of water, the density of the gas
should be less than the density of water.

what is allowable limit Of stray light for a spectrophotometer laboratory instruments ?

1454

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why athanol-water mixtuere have maximum viscocity in wt% 40?

1678

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During Soundness testing of Cement by Lechatelier method the Cement mould expands about 20 mm when merged in curing water for 24 hours after mould preparation.In that Cement MgO content is about 3.0%,SO3 is about 2.6% & Blaine is about 360 M2/Kg.Guess the reason & suggest solution.

3010

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Write the each half cell reaction and also net cell reaction for a cell

2862

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WHAT IS THE SYLLABUS OO GROUP -I?

2237

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Sr-90, a radioactive isotope, is a major product of an atomic bomb explosion. It has a half life of 28.1 year. Calculate the first order rate constant for this nuclear decay and the fraction of 90Sr that remains after 10 half lives?

6175

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what kind of question can be asked in interview for UV- VISIBLE & give me answer ?

3802

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In testing of Cement the formula for water requirement for setting time is as below- Water required for setting time = NC x 0.85 The question is that what is the logic of 0.85 in this formula??

2375

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what kind of question can be asked in interview for polarimeter related ?

5138

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what is induction on electrical insulators

2269

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. Given that 2Hg2+ (aq) + 2 e- Hg22+(aq) E0 =0.92V Hg22+ (aq) + 2 e- 2Hg(l) E0 =0.85V Calculate standard free energy change and K for the following process at 25oC Hg22+(aq) Hg2+ (aq) + Hg(l)

6582

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what does 50 denote in dowex 50 ????

2516

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What can be the supporter of combustion except oxygen.

2758

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what is the difference between elctrefining and electrolysis?

2181

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How can be set a responds factor for evaluating a unknown impurity by HPLC

2339

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