Multiple choice question
Multiple choice question Multiple choice question
ySDVªksM ij tek gksxh rFkk ;s tek v'kqf);k¡ D;k dgykrh gS\ Electrolytic refining proces is based on what principle? For which metals its applied? cgqfodYih; cgqfodYih; cgqfodYih; iz'uA iz'uA bdkbZ&9 bdkbZ&9 ¼gkbMªkstu½ ¼gkbMªkstu½ (Hydrogen) cgqfodYih; iz'uA Multiple choice question 1 1 vad vad okys okys okys iz'u iz'u 1 gkbMªkstu }kjk fuEu esa ls dkSu vipf;r ugh fd;k tk ldrk gS\ (a) xeZ CuO (b) Fe 3 O 4 xeZ (c) PbO xeZ (d) Zn xeZ/Al 2 O 3 Which one is not reduced by the hydrogen out of the following– (a) CuO hot (b) Fe 3 O 4 hot (c) PbO hot (d) Zn hot/Al 2 O 3 2 dkSu lh /kkrq }kjk gkbMªkstu dk vo'kks"k.k lEHko gS& Which metal can absorb Hydrogen (a) Pb (b) Al (c) K (d) Zn 3 fuEu esa ls dkSu lh /kkrq HCl ls fØ;k dj H 2 nsxh\ Which of the following metal will give H 2 by reacting with HCl– (a) Mg (b) Cu (c) Hg (d) Au 4 fuEu esa ls dkSu lh /kkrq HCl ls fØ;k dj H 2 nsxh\ (a) eghu IysVhue (b) ckjhd filk fufdy (c) dksyk;Mh Fe(OH) 3 Which one will absorb maximum H 2 58 (d) dksyk;Mh iSysfM;e foy;u (a) Grinded Platinum (Pt) (b) Grinded Nicle (Ni) (c) Colloidal Fe(OH) 3 (d) Colloidal Paladium (Pd) Solution
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? 59
- Page 7 and 8: cgqfodYih; cgqfodYih; iz'uA iz'uA b
- Page 9 and 10: According to Aufbau principle elect
- Page 11 and 12: 18 Cr rRo dk bySDVªkfud foU;kl ---
- Page 13 and 14: iz'u&37 fdlh rRo dk ijek.kq Øekad
- Page 15 and 16: The increasing order of size will b
- Page 17 and 18: 22 Li ,oa Mg rFkk Be vkSj Al ds xq.
- Page 19 and 20: iz'u&35 fdlh vkorZ esa rFkk lewg es
- Page 21 and 22: c
- Page 23 and 24: 19 vk/kqfud vkorZ lkfj.kh fuEu esa
- Page 25 and 26: iz'u&31 gkbMªkstu cU/k ds dkj.k ;k
- Page 27 and 28: 2 O rFkk H dk ?kuRo vuqikr 16:1 gS
- Page 29 and 30: Evaporation of water should come un
- Page 31 and 32: iz'u&27 ,oksxsMªks fu;e dks ifjHkk
- Page 33 and 34: iz'u&42 ije 'kwU;] ije rki ,oa NTP
- Page 35 and 36: 8 mRØe.kh; vfHkfØ;k ds fy;s lkE;
- Page 37 and 38: fjDr fjDr fjDr LFkkuksa LFkkuksa dh
- Page 39 and 40: In measuring �U and �H for calc
- Page 41 and 42: If �H f ° = 3400 cal/mol, then c
- Page 43 and 44: cgqfodYih; cgqfodYih; iz'uA iz'uA b
- Page 45 and 46: 12 Kc dh bdkbZ gS& (a) ¼eksy izfr
- Page 47 and 48: 22 mRØe.kh; jklk;fud vfHkfØ;kvksa
- Page 49 and 50: Differentiate among concept of acid
- Page 51 and 52: In oxidation state there is- (a) Ga
- Page 53 and 54: In the froth floating process parti
- Page 55 and 56: iz'u&7 fo|qr jklk;fud lSy dk ukekaf
- Page 57: iz'u&19 xkayd fdl dgrs gS\ bldk pqu
- Page 61 and 62: Explain the structure of H 2 O 2 wi
- Page 63 and 64: (b) Na 2 SO 4 dh ty;kstu ÅtkZ tkyd
- Page 65 and 66: Give labelled diagram for soda amon
- Page 67 and 68: iz'u&31 f}rh; lewg ds rRoks dks {kk
- Page 69 and 70: fjDr fjDr LFkkuks LFkkuks dh dh iwf
- Page 71 and 72: In any group atomic mass increase g
- Page 73 and 74: Describe electrolytic method for ge
- Page 75 and 76: In elements of group-14, on coming
- Page 77 and 78: 4 4 4 ,oa ,oa ,oa 5 5 5 vad vad oky
- Page 79 and 80: 2 ftu nzo inkFkksZ ds DoFkukad fHkU
- Page 81 and 82: 8 isij ØksesVksxzkQh }kjk jaxks dk
- Page 83 and 84: 16 dsfj;l uyh esa CH 2 ClCOOH dks l
- Page 85 and 86: 4 4 4 ,oa ,oa ,oa 5 5 5 vad vad oky
- Page 87 and 88: iz'u&43 fuEu dks izsj.k izHkko ds v
- Page 89 and 90: 4 C H O ds }kjk fdru izdkj ds vYdks
- Page 91 and 92: iz'u&14 esØksekWyhD;wy D;k gksrs g
- Page 93 and 94: (c) vkblksizhu ls ikWyhvkblksizhu (
- Page 95 and 96: Pollutants are said- (a) CO 2 , SO
- Page 97 and 98: 5 cgqydksa ds izdkjksa esa ls dkSu&
- Page 99: 18 FkSfyd ,flM dk jklk;fud lw= ----
ySDVªksM ij tek gksxh rFkk ;s tek v'kqf);k¡ D;k dgykrh gS\<br />
Electrolytic refining proces is based on what principle? For which metals its<br />
applied?<br />
cgqfodYih; cgqfodYih; cgqfodYih; iz'uA<br />
iz'uA<br />
bdkbZ&9<br />
bdkbZ&9<br />
¼gkbMªkstu½<br />
¼gkbMªkstu½<br />
(Hydrogen)<br />
cgqfodYih; iz'uA <strong>Multiple</strong> <strong>choice</strong> <strong>question</strong><br />
1 1 vad vad okys okys okys iz'u<br />
iz'u<br />
1 gkbMªkstu }kjk fuEu esa ls dkSu vipf;r ugh fd;k tk ldrk gS\<br />
(a) xeZ CuO (b) Fe 3 O 4 xeZ (c) PbO xeZ (d) Zn xeZ/Al 2 O 3<br />
Which one is not reduced by the hydrogen out of the following–<br />
(a) CuO hot (b) Fe 3 O 4 hot (c) PbO hot (d) Zn hot/Al 2 O 3<br />
2 dkSu lh /kkrq }kjk gkbMªkstu dk vo'kks"k.k lEHko gS&<br />
Which metal can absorb Hydrogen<br />
(a) Pb (b) Al (c) K (d) Zn<br />
3 fuEu esa ls dkSu lh /kkrq HCl ls fØ;k dj H 2 nsxh\<br />
Which of the following metal will give H 2 by reacting with HCl–<br />
(a) Mg (b) Cu (c) Hg (d) Au<br />
4 fuEu esa ls dkSu lh /kkrq HCl ls fØ;k dj H 2 nsxh\<br />
(a) eghu IysVhue (b) ckjhd filk fufdy<br />
(c) dksyk;Mh Fe(OH) 3<br />
Which one will absorb maximum H 2<br />
58<br />
(d) dksyk;Mh iSysfM;e foy;u<br />
(a) Grinded Platinum (Pt) (b) Grinded Nicle (Ni)<br />
(c) Colloidal Fe(OH) 3<br />
(d) Colloidal Paladium (Pd) Solution
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