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Hassan
1.2NaOH(aq) + Cl2(g) NaCl + NaClO + H2O proceed at:
A. 500 °C
B. 200 °C
C. -10 °C
D. 500 °C
2.Which halogen molecule ‘X2’ has lowest dissociation energy?
A. Cl2
B. Br2
C. I2
D. Cl2
3.The anomalous electronic configuration shown by chromium and copper among 3-d series of elements is due to:
A. Colour of ions of these metals
B. Variable oxidation states of metals
C. Stability associated with this configuration
D. Colour of ions of these metals
4.Which element of 3d series of periodic table shows the electronic configuration of 3d6, 4s2?
A. Copper
B. Cobalt
C. Zinc
D. Copper
5.The %age of nitrogen in ammonium nitrate is:
A. 46%
B. 82%
C. 33%
D. 46%
6.Which one of the following is anhydride of sulphuric acid?
A. Sulphur (II) oxide
B. Sulphur (VI) oxide
C. Iron pyrite
D. Sulphur (II) oxide
7.Which one of the following pairs can be cis-trans isomer to each other?
A. CHCl=CCl2 and CH2=CH2
B. CHCl=CH2 and CH2=CHCl
C. CH3CH=CHCH3 and H3CCH=CHCH3
D. CHCl=CCl2 and CH2=CH2
8.The average bond energy of C-Br is:
A. 228 kJmol-1
B. 200 kJmol
C. 250 kJmol-1
D. 228 kJmol-1
9.Which one of the following is NOT a nucleophile
A. NH2ˉ
B. H2O
C. BF3
D. NH2ˉ
10.Which one of the following test is given by both aldehyde and ketone?
A. Silver mirror test
B. Fehling’s solution test
C. 2, 4 DNPH test
D. Silver mirror test
11.Which one of the following reaction of carboxylic acid is reversible?
A. Esterification
B. Salt formation
C. Reaction with PCl5
D. Esterification
12.When acid is added to an amino acid, which one of the following will act as a base?
A. NH3
B. COOˉ
C. H+
D. NH3
13.His theories have been __________ by recent research.
A. Pronounced
B. Rearmed
C. Dammed
D. Pronounced
14. International rules __________ the number of foreign entrants.
A. Hoodwink
B. Stipulate
C. Fabricate
D. Hoodwink
15.The assassination of the president __________ the country into war.
A. Articulated
B. Boomed
C. Hobbled
D. Articulated
16.She might be forgiven for __________ beneath the pressure.
A. Undertaking
B. Extricating
C. Buckling
D. Undertaking
17.STALWART means
A. Loyal
B. Lazy
C. Lacking strength
D. Loyal
18.CHIVALRY means
A. Coward
B. Non-cooperative
C. Imitating
D. Coward
19.RAKISH mean
A. Curved
B. Traditional
C. Imitating
D. Curved
20.PRODIGIOUS means
A. Huge
B. Trivial
C. Little
D. Huge
21.IMPROVISE means
A. Colophon
B. Concoct
C. Divert
D. Colophon
22.MANIFESTATION means
A. Mode
B. Token
C. Quirk
D. Mode
23.RECONNOITRE means
A. Patrol
B. Arcane
C. Exhort
D. Patrol
24.SOJOURN means
A. Visit
B. Belch
C. Furry
D. Visit
25.MUSE means
A. Immaculate
B. Chew over
C. Sigh over
D. Immaculate
26.In cystic fibrosis, liposomes-microscopic vesicles are sued which are coated with:
A. Healthy Gene
B. Chromosome
C. Protein
D. Healthy Gene
27.The DNA formed by the reverse transcription is called:
A. rDNA
B. dDNA
C. cDNA
D. rDNA
28.The DNA formed by the reverse transcription is called:
A. rDNA
B. dDNA
C. cDNA
D. rDNA
29.Bacterial cells take up recombinant plasmids when they are treated with:
A. CaCl2
B. NaCl
C. KCl
D. CaCl2
30.Which one of the following is made up of radioactively labelled nucleotides?
A. Phage DNA
B. Genomic Library
C. Recombinant DNA
D. Phage DNA
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