Answer Posted / deepak yadav

Because silica is anionic impurity and in mix bed remove all anion and cation impurity

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

2920

---

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

---

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

1515

---

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?

6249

---

a sample of gas occupies a volume of {450.0 ml}at {740 mm Hg}and[16C]determine the volume of this same sample at [760 mm Hg]and [37c]?

5029

---

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

---

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

5192

---

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

1579

---

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 SYLLABUS OO GROUP -I?

2338

---

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

2487

---

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

3419

---

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

1729

---

what does 50 denote in dowex 50 ????

2571

---

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

2408

---