Give me some important question for Karnataka 2nd PUC Chemistry examination in PDF file format ??

Here I am giving you some important question for Karnataka 2nd PUC Chemistry examination in PDF file attached with it so you can get it easily..

7. Between CaSO , and Ca, ( PO, ) , which one is required in maximum
concentration to coagulate posithe sol ?
8. What type of mesomeric effect is exhibitdd by - NO, group ?
9. Write the IUPAC name of picric acid.
10. Name the chemical reagent used to remove colloidal impurities from oil.

PART - B
Note : i) Answer any ten questions.
ii) Each question carries two marks. 10 x 2 = 20
1 1. What is conjugate acid-base pair ? Give one example.
12. How does concentrated H ,SO, react with PC1 ?
13. With the help of Ellingham diagram, explain why Al can reduce MgO at
high temperature.
14. Define order of reaction. Give one example for fraction order reaction.
15. How are He and Ar separated from noble gas mixture by Dewar's charcoal
adsorption method ?
16. The vapour pressure of ether ( mol. mass = 74 ) is 60 kPa at 293 K. If 3g
of a compound A is dissolved in 50 g of ether at this temperature, the
vapour pressure falls to 56-8 kPa. Calculate molecular mass of A.
17. Explain the formation of delta when a river meets sea.

Attached Files

Karnataka 2nd PUC Chemistry Important Questions.pdf (384.6 KB, 549 views)