Uttarakhand Board Class 12 Question Paper 2024 for Agricultural Chemistry

UTTRAKHAND BOARD

Question Paper

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Roll No. No, of printed Pages : 4

143 443 {IKP!
2024
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AGRICULTURAL CHEMISTRY tPAPErL-Xl
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(On!y for Agriculture Part-II)
i(pBr:3q€l [Tqto,: 50
Time:3Hoursl [Max.Marks:50
ft{ql , (i) {s sw q{ ii S-d 17 qwi dr qrft wq $Frdrd dl
(ii) qwr rr€dn r cg ffio qsq *t sra ssr z t o .ro FrF"ra sflfrq rw dt qsq
t
€@T z t 1 dtr srfr mg sdftq wq dl qw €roqi 12 t 14 cl?F q r+fu urt
*
d npn qF{ riw..r 15 17 ffiF fr,qa rflttq
qr{ dt
(iii) rd6 q'sq & fts ft€Iffrd 3i6 Jq'6 vqs sifuf, dt
Note : (i) There are in ail L7 questions in this question paper. All questions are
compulsory.
(ii) euestion No. 1 is multiple choice type. Question No. 2 to 6 are definite
answer type.Question No. 7 to 11 are very short answer type, Questlon
No. 12 to 14 are short answer type and Question No, 15 lc L7 are long
answer tYPe.
(iii) Marks allotted to each question are mentioned against them.
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( M u ltiPle Choice Questions)

1. EH sv;I b q-dd eus b Tflt d ux fr-on-s frd {a dr s& kse,' 3{wS sflq 3fu-ol C
ft{Rqs-
Four options are given in answer of each part of this question. Write the correct
option in your answer book-
(at) 3TI-{d rilfrfi d ffi # riun *- 1

(i) 3 (ii) 4 (iii) s (iv) 6
Number of blocks in periodic table is-
(i) 3 (ii) 4 (iii) s (iv) 6

t1l lP.T.O.

(rsl frrq S &Trfu T-dr sT du-o pH qrq d-
1

(i) 5 (ii) 6 (iii) 7 (iv) B
Possible pH value of alkaline soii in the following is_
(i) s (ii) 6 (iii) 7 (iv) 8
(q) qRw sfrm * gwa, frrT d t fuH iliq bt *ffi dr& de 1

(i) s (ii) p (iii) N (iv) ct
Which of the following element is mainly supplied by Urea fertilizer?
(i) S (ii) p (iii) N (iv) Ct
(q') fiTqTq{ or qrsrqfro qrq t -
(i) &fterqq Blrdvr-$s (ii) eftqrqq $r$-d
1

(iii) &fri-qq flS*d (iv) efurq,q 6r-d+d
The chemical name of Marble is -
(i) Calciurn oxide (ii) Calcium phosphate
(iii) Calcium nitrate (iv) Calcium carbonate
(s) frr{ Q".s-o fr 3fieflq}.Fot<ei 6r srquT t-
{
(i) &freqq'3fu d"fifriqq b qr$ 6r-d+d
1

(ii) &fuiqq b HEb-c
(iii) ffifu?lqb*.+c
(iv) *ft-rqq 3fr fi=ftkuq b srf*rmrgs
In following the cause of temporary hardness of water is _
(i) Bicarbonates of Calcium and Magnesium
(ii) Sulphate of Calcrum
(iii) Sulphate of Magnesium
(iv) Hydroxide of Calcium and Magnesium
ftF{drr$qsq{
{Definite Answer Type euestions)
2. NH3 C rrr of :-fre**-quT dwT wr etrftl 1
What will be the oxidation number of N in NtFl^?
3. 3nqF6 3TTTd ftqq ftrfuer 1
Write the moder-n periodic law.
4. qffi6 3rrd 6-r gtrqid qR sra dfrsr 1
Calculate the equivalent weight of Nitric Acid.
s. sqfrHw wr'€rd 6T ErsrqHfi p frfuu r '1

write the chemicar formura of Aruminiurn phosphate.
6. uqftfiqrrb m6 d 3r-qmi b ilq ffiror 1
Write the name of any two ores of Aluminium.
443(rKP) l2l

-.t

T

eftmgr+€qmm
(Very Slrort Answer Type Questions)
7. Jqrfr+o{uT BqT 6} Eo Jdrf,{ur HlFd vqgr$ut z
Explain Neutralization reaction lrrith an example.
B. d
3rwlr* 6'd-{ Erf, TE E-n d d* qffid mt}l Z
How to convert temporary hard water into soft water?
e. &fulqq ffifie b rqdq ftfusl Z
Write the uses of Calcium Sulphate.
10 . freryo E-6t6Tcr 3ik ufrdt{ 6T 3n$ q fr.s.+. flq ftTRss I 2
Write IUPAC name of Methyl Alcohol and Acetone.
11. s-6tq 6r Hrrrr=q q-, Eri ufi J-crtr<ur frftssr z
Write general formula and an example of Alkene.
ag$rsqsTq
(Short Answer Type Questions)
12. (m) Lr6 etai 6r' q'{rflE aa'q'to 17 duT
=els drt *eqT 1B d | ilcd it Ffrr*ifr of *rgr E?i
qqEq s{rr (n rq dg1r) $n otgtrl 2
An element have atomie number 17 and number of neutror"rs 18. Calculate
the number of electrons and atomic weight of that elenrent"
(s) E@61 3{rffiTnTmifrqqfrfust Z
Write the law of indestructibility of matter.
13. frur 3rfi{Bqrc* 6f [uf dBrd- 7x4=4
Complete the following reactions-

(s) 2NaHCo, Ir,d m-*t q{ +H2O+
On lleating
(g) 3Fe + 4HzO ---,----) +
TtF -ffr elltl
(Red hot) (steam)
(II) NaOH + HCt +
(q) Ca(oH), + Co, +
--,__)
t4 Hm s ffi{ d* qra mtti {niqfrq, rffi-6{uT Hl6H frMi
&.fi-{ d?iT mm-& dr-
d sqqtrT tftear6it 4
How Benzene is obtalned from Phenol? Write with chemical equation. Give two
uses each of Benzene and Phenol also.
3rsftfi/oR.

443 (rKP) t3l I P.T.O.

(s) Hrgfu-,rur t s+rq'ryqT qqtnft f;l 2

U/hat dc you understand by saponification?
1q'1 ftl.e HRrbcrsitml Wf mlhu-
2

Complete the foilowing reactions "

(i) c6H.c)H + zn ird oqi q<
On Heatlng

( !i) C.Hu-.1- CH3CI
*d 4rcr_:_, +
Anhvdrous AlCl3

ffidsatqqsq
(Long Answer TYPe Questions)
1s. Frqftfua fi * ffit titq cn ftpufr ft{Rqs- 2x3=6
Write short notes on any three of the following -
(ffi) dq-d gdtd6-dT (s)
qIm.q 3qqrf, 51fr-q't
Electrova lencY Law of inverse ProPottion
(r[) qs]qfro uFd-Jq (q') 6'-d-{ d [<rtg dT{i]
Chernical Change Atomic structure of Carbon

16. (6) wTfiffiq flT t? Ffl-61u6 sq-drr ftnfust 2

What is forrnalin? Write one use of it.
(rer) Lrf}rd{l-{ o-qri 6 uahqTnil frlg mr duf{ dBsl ffikrd rrsrqft-o srF+bq-Rfi A
Hfi=e=wT frfusl {qb a\ 5or fi ftRsst
4

Describe the laboratory method of preparation of Ethylene. Write the
equation of related chemical reactions. Also write its two properties,
17 . frp,,,,,,,,,,,,,,. t frrta teiaq) fiBE- 2x3=6
Differentiate i n following -
(d) Sfdr qfl-q E-d qrfl.izi--Bfi gta
Organic fertilizer and Chemical feftilizer
(qs) e}BqrT frTdie (rli"mr rilsrl d dBq-q srffid
Sodium Carbonate and Sodium Bicarbonate
( rT
) TTbd tnffi{H f,eII drf, stSrw
' White Phosphorous and Red Phosphorus
3{srEI/OR
drft{ frs Eqlt d fu* EEF frftT 6T Hfra aph othul Fsb gur d N'drr ft ftfust
6

Describe any one rnethod of preparation of Chlorine gas with diagram. Write its
propertles and uses aiso.
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4.43(rKP) [41

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