OL Question Paper chemistry

            Sravieendiran SLTS 11 Sp.Tr.SC          ƒ                 CEMISTRY

1.

 1. gr;ir tPl;L tpisT vd;why; vd;d?

2. gr;ir tPl;L tpisit Vw;wgLj;jk; thAf;fs; 4 jUf.

3.  ,t; tpistpd; gpujP $yq;fs; ahit ?

4. mkpy kioapdhy; Vw;gLk; ghjpg;Gfs; 4 jUf.

5. XNrhd; giliag; ghjpf;Fk; thAf;fs; 2 jUf .

6. ghu cNyhfq;fs; 3 jUf.

7. FbePupy; fhzg;gLk;  eph;zag;gLj;jg;gl;l   <aj;jpd; msT ahJ ?

8. ePupd; td;ikapd; mbg;gilapy; gpupTfs; ahit ?

9. ,t;td;ikf;F fhuzkhd mad;fisg; ngaupLf.

10. ew;Nghrizahf;fk; vd;why; vd;d ?

11. J}aePupd;  BOD  ngWkhdk; ahJ ?

2.

1.  ePupd;jd;ntg;gf;nfhs;sT 4200 Jkg^-1C^-1 vd;why ePh; tpsq;FtJ  vd;d?

2. tpiutpy; #lhFk; nghUl;fspd; jd;ntg;gf;nfhs;ssT gw;wp ahJ $WtPh; ?

3. 200 fpuhk; jpzpTs;s nrk;Gg;g hj;jpuj;jpDs; 500 fpuhk; ePupl;L ePupd; ntg;gepiyia 40  nry;rparpdhy; cah;j;Jtjw;F Njitahd ntg;gf;fzpak; ahJ ?

4. gha;kuf;fg;gy;fs; kPd;gpbf;f Kd;dputpy; Gwg;gLJ Vd; ?

3

1. mf> Gw ntg;gj;jhf;fq;fspd; NghJ mfr;#oy; > Gwr;#oy; gw;wp ckJ fUj;J ahJ ?

2. mfntg;gj;jhf;fq;fs; 2 vOJf.

3. Gwntg;gj;jhf;fq;fs; 2 vOJf.

4.  H_2(g)+ Cl_2(g)                         2HCl  ,j;jhf;fj;jpd; ntg;gcs;Siw khw;wj;jij rf;jp kl;l tiugpy; jUf.  ( H-H - +436, Cl-Cl- +242, H-Cl- +431 kjmol^-1)

4

1. ghiwtiffisj; jUf.

2. xt;nthd;wpw;Fk; cjhuzk; jUf.

3. nlhyikl;L > mg;giulL > ngy;];ghh;> Fthl;]; Mfpatw;wpd; ,urhadf;fl;lilg;Gfisj; jUf.

4. kz;cUthjypd; Kiwfs; vit?

5. fdpg; nghUl;fs; vd;why; vd;d?