Answer Posted / rajkumar

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 induction on electrical insulators

2359

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Why does the experimental lattice enthalpy of NaI differ greatly from the theoretical lattice enthalpy?

3467

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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.

3135

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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??

2482

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

2454

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4 Identify the substance oxidized, reduced, oxidizing agent and reducing agent for the following reactions

2532

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What is the requirement to give RFlow when using RID detector?

3133

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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?

6314

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What can be the supporter of combustion except oxygen.

2858

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what is the difference between elctrefining and electrolysis?

2303

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

1565

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what are UV rays absorbs slightly?

2231

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How to accelerate electron capture decay?

2415

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The rate constant for the second order reaction is 0.54/M.s at 300oC. How long (in sec) would it take for the concentration of NO2 to decrease from 0.62M to 0.28 M? 2NO2(g) 2 NO(g) + O2(g)

2642

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What is the brigg's raucher reaction?

2382

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