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#1 2012-04-02 06:02:06

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General Chemistry Interview Questions And Answers

Chemistry :: General Chemistry Job Interview Questions and Answers

General Chemistry job interview questions and answers guideline. Lean General Chemistry and get preparation for the job of General Chemistry

1 ► What is the process for separating the components of gunpowder?
2 ► However ozone is heavier than oxygen still ozone is up there in sky why?
3 ► When a glass rod is heated gradually and suddenly dipped in cold water, it cracks. What is the reason?? When a cool glass rod is suddenly heated, it cracks. Why?
4 ► pH is having unit?
5 ► Which is the best conductor of electricity?
6 ► Is urea addition affecting the COD (chemical oxygen demand) & BOD (Biological oxygen demand)level? why?
7 ► What is acidity of a base?
8 ► Who is the king of chemistry?
9 ► What is kentchin? Is it real? As much info on it as possible?
10 ► What is the molarity of a NaOH solution if 32.47ml. is required to titrate 0.6013g of potassium hydrogen phthalate?
11 ► Which metal is found abundantly in the earths crust?
12 ► What is the difference between base & nucleophile?
13 ► What is the formula of diesel, petrol & CNG too?
14 ► 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?
15 ► In Einsteins mass energy relation e=mc2 for what is c used or why is light required for reactions. Because the reactions are with help of neutrons?
16 ► What is the valence of nitrogen?
17 ► Why PH scale range is 14? why it is not less or not greater than 14? solution of HCl or hydrogen containing liquid has a PH. but if the solution is KMnO4 here not hydrogen power does it PH?
18 ► why in atomic mass electron is not include while proton and neutron include? although electron is a part of atom?
19 ► Why all the concentration of chemical species are measured using water as solvent (for examole 1N NaOH means 40 g of NaOH in one litre of water)eventhough there are so many solvents available?
20 ► What is the formula of petrol?
21 ► How will you jug that the give organic compound is pure  or not?
22 ► If this element X combines with another element Y whose electronic configuration is 2, 8, 7 what will be the formula of the compound thus formed? State how did you arrive at this formula?
23 ► What are the advantages of soapy detergents over soapless?

2012-04-02 06:02:06

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