2nd Year Chemistry Paper Unit 1 to 5

2nd Year Chemistry Paper Unit 1 to 5 important MCQs, Short Questions and Long Questions from past papers of Fsc annual examination.

2nd Year Chemistry Paper

2nd Year Chemistry Paper Unit 1 to 5 for the preparation of fsc annual examination. Read online 2nd Year Chemistry Paper Unit 1 to 5.

Objective Part

1.         Mark the correct statement

(a)Melting point of Halogens decreases down the group

(b) Melting point of Halogens increases down the group

(c) Melting point of Halogens remains same throughout the group

(d) Melting point of Halogens first increases and then decreases down the group

4.         Which one of them is called Amphoteric oxide

(a) CaO              (b) Bi₂O₃         

 (c) CO₂             (d) P₂O₅

5.         Which one of the following does not belongs to alkaline earth metals

(a) Be                 (b) Ra              

(c) Ba                 (d) Rn

6.         Which of the sulphate is not soluble in water

            (a) Sodium sulphate  (b) Potassium sulphate

            (c) Zinc sulphate       (d) barium sulphate

7.         The element caesium bears resemblance with

            (a)Ca                                     
            (b) Cr                                      

            (c) both of these elements    
            (d) none of them

8.         Chile salt peter has the chemical formula

(a) NaNO₃           (b) KNO₃                                 

(c) Na₂B₄O₇        (d) Na₂CO₃H₂O

9.         Which metal is used in thermite process because of its activity

(a) Iron                 (b) Copper                               

(c) Aluminium     (d) Zinc

10.       Tincal is mineral of

(a) Al                  (b) B                                       

(c) Si                  (d) C

11.       The chief ore of Aluminium is

(a) Na₃AIF₆               (b) Al₂O₃                                 

(c) AL₂O₃2H₂O        (d) AL₂O₃H₂O

12.       Oxidation of NO in Air produces

(a) N₂O                   (b) N₂O₃                                  

(c) N₂O₄                 (d) N₂O₅

13.       Which catalyst is used in constant process?

            (a) Fe₂O₃                 (b) V₂O₅                                  

             (c) SO₃                   (d) Ag₂O

14.       Which one of them is the formula of Galena

(a) PbS                         (b) HgS                                   

(c) ZnS                         (d) Sb₂S₃

15.       The anhydride of HClO₄ is

(a) ClO₃                      (b) ClO₂                                   

(c) Cl₂O₅                    (d) Cl₂O₇

16.       Which is the strongest Acid?

(a) HClO                   (b) HClO₂                                                

(c)HClO₃                   (d) HClO₄

17.       Which one of them is the formula of Cryolite

(a) Na₃AIF₆             (b) CaF₂                                                    

(c) Na₂Al₂F₅            (d) CaF₄

Section – I   

1.Why Anionic Radius is greater than parent atom? Give example.

2.Why Metallic character decreases in periods?

3.Why covalent character of Metallic halids increases in periods?

4.What are Amphoteric oxides? Give example.

5.Why Alkali Metals give ionic hydrides?

6.Why the oxidation state vary in a period. But remains almost constant in group.

7.What is lime water and Milk of magnesia, where they are used?

8.What is hard finish plaster. Where it is used?

9.Why the aqueous solution of Na₂CO₃ is alkaline in nature.

10.Why lime water turns milky with CO₂ and becomes clear with excess CO₂?

11.Write the formula of Beryl and Natron.

12.What is the role of Gypsum in Agriculture?

13.Write the chemistry of Borax bead test?

14.How chmical garden is prepared?

15. How clay Articles are Glazed?

16. What is lead Monoxide or litharge where it is used?

17.How will you convert Boric Acid into Borax.

18.Write the uses of Boric Acid.

19.Why SO₃ is dissolved in H₂SO₄ and not in water.

20.Describe the ring test to confirm the Nitrate ion?

21What is aqua regia. Why it dissolves Gold and Platinum?

22How will you Convert H₃PO₄ into Na₃PO₄.

23. Write H₂SO₄ as an oxidizing agent.

24.What is iodized salt where it is used?

25.How xenon tetra oxide is prepared?

26.Write the commercial uses of chlorine.

27.What is available chlorine?

28. Write disproportional reaction of chlorine with cold and hot NaOH?

29.Write four uses of Bleaching powder.

30.What is radon? How it is obtained?

Section – II

                        Attempt  these Questions                                                                              

Q.3        (a)          Write the peculiar behaviour of Beryllium?                                                                                       

(b)          Write the commercial preparation of sodium hydroxide.                                                                   

Q.4.     (a)        Write the manufacturing of H₂SO₄ by contact process.                                                               

             (b)       Complete and balance the equations:

                        (i) Ba(NO₂)₂ + H₂SO₄ ® (ii) KOH + NO₂ ® (iii) As + HNO₃® (iv) H₂SO₄ + P₂O₅®

Q.5.       (a)           Write the preparation of Bleaching powder by Hasen clever Method.                                                          

(b)          Complete and balance the equations:

              (i) HClO₄ + P₂O₅ ® (ii) Br₂ + HgO® (iii) Ca (OCl) Cl + H₂SO₄ ® (iv) XeF₄ + NH₃ ®

Q.6.     (a)        Discuss the carbonates and sulphates of Alkali and Alkaline earth Metals.                

            (b)        Write four Methods for preparation of ortho phosphoric Acid.                                      

#2nd Year Chemistry Paper Unit 1 to 5