Multiple choice question

5 H 2 O, H 2 S, H 2 Se rFkk H 2 Te esa lokZf/kd DoFkukad gksxk
Maximum boiling point out of the following will be of–
(a) H 2 O (b) H 2 Te (c) H 2 S (d) H 2 Se
4 4 ,oa ,oa 5 5 vad vad okys okys iz'u
iz'u
iz'u&6 gkbMªkstu dh vkWDlhdj.k la[;k $1 ,oa &1 nksuks gks ldrh gSa\ bldk dkj.k
rFkk izR;sd dk ,d&,d mnkgj.k nhft;s\
Oxidation number of H is 1 and –1 both give its reason and one example of
each?
iz'u&7 gkbMªkstu dk leLFkkfud H 1 2 ¼M;wVhfj;e D ½ dSls izkIr fd;k tk ldrk gS\
2
bl leLFkkfud ls cuk;k x;k ty dSlk gksxk\ ml ty ds mi;ksx fyf[k;s\
How the isotope of Hydrogen 1 H 2 (Duterium D 2 ) is obtained and water formed
from this isotope will be of what kind and where it is used?
iz'u&8 vkFkksZ o iSjk gkbMªkstu fdUgsa dgrs gSa\ buds xq.kks esa D;k vUrj gksrs gSa\ bu
nksuksa dh vkarfjd ÅtkZ esa D;k varj ik;k tkrk gS\ ije 'kwU; rki ij ikbZ
tkus okyh gkbMªkstu dk izdkj crykb;sA rki dh o`f) dk bl ij D;k izHkko
iM+rk gS\
What are ortho and para hydrogen? What are the differences in their properties
and give difference in their internal energy. What type of hydrogen is formed
at absolute temperature? Give account of increasing temperature on it.
iz'u&9 ijek.koh; gkbMªkstu Tokyk fdls dgrs gSa\ bls fdl izdk mRiUu fd;k tk
ldrk gS rFkk blls mRiUu rki fdruk gksrk gS rFkk bl rki dk dgk¡ mi;ksx
fd;k tkrk gS\
What is atomic hydrogen flame? How it can be obtained and what is the
temperature prodced by it, where this temperature is used for?
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