Multiple choice question

iz'u&25 Cyhfpax ikmMj fdls dgrs gSa\ bls cukus dh fof/k le>kb;s\ pwus ds ctk;
pwus ds ikuh esa Cl 2 xSl izokfgr djus ij gksus okyh jklk;fud fØ;k Hkh
n'kkZb;s\
What is bleaching powder? How is its prepated? Also give chemical reactions?
When Cl 2 is passed in lime water rather than on slacked lime?
iz'u&26 IykLVj vkWQ isfjl D;k gS\ bls izkIr djus dh fof/k dk jklk;fud lehdj.k
nhft;s\ blds izeq[k mi;ksx Hkh fy[kks\
What is plaster of paris? Give chemical equation for obtaining it, also give
some of its important uses?
iz'u&27 LiCl ds xfyr voLFkk esa fo|qr foPNsnu djus gsrq KCl dk iz;ksx D;ks fd;k
tkrk gS\
Why KCl is mixed while extracting Li from LiCl by electrolytic process in
molten state?
iz'u&28 xyu feJ.k D;k gksrk gS\ bldh vko';drk dgk¡ vkSj dc gksrh gS\
What is fusion mixture? When and where it is needed?
iz'u&29 ladqy ;kSfxd cukus dh izo`fRr {kkj /kkrqvksa dh vis{kk {kkjh; e`nk /kkrq rRoksa
esa vf/kd ik;s tkus dk dkj.k nhft;s\
Forming coordination compounds by alkaline earth metals is greater than
alkali metals. Give its reason?
iz'u&30 Li ds xq.k/keZ vxys lewg esa Be vkSj Mg esa ls fdlls feyus dh laHkkouk gS o
D;ksa\ bu lekurkvksa dk Hkh mYys[k djsa\
Li in its properties should match with which element Be or Mg and why?
Give also these similarities?
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