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.

3079

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

2409

Normally entropy is expressed as q/T. But, work and heat have same unit. Why can't it be replaced by work?

2258

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

3082

What is the brigg's raucher reaction?

2337

what is the difference between elctrefining and electrolysis?

2253

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

3848

Find out how to make artifacts the maxwell boltzmann theory of gases . ps. I don't speak English that well

1581

WHAT IS THE SYLLABUS OO GROUP -I?

2339

what is induction on electrical insulators

2322

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

2489

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

1515

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)

2597

The use of vermilion on rubric of the Tartar Relation is confirmed by the presence of three lines attributed to HgS. Why should this diatomic have more than one vibrational line?

2660

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

1729