SECTION - A (Marks 12)
Tune allowed: 30 Minutes
NOTE
Sectional compubory, An parts of this section are to be answered on the question paper itsell
should be completed in the first 20 minutes and handed over to the Centre Superintendent
Deleting evening is not allowed. Do not use lead ponell
Chele the correct option le. A/BICID. Each part carries are mark
With of the i the correct empirical formula o 2,83),
A CNN
CM,N, C
Which of the following is a defect of Rutherford atomle model?
CHON
Dectrons are negatively charged
Electrons do not tal into the nucleus
Most of the mass is present in nucleus
D. Most of the space nalom is onusty
Which of the following property of halogens is maxinum enging the members of their period?
A Atomie radius
Electronegativity
Shielding effect
D Clectropositivity
The covalent bond is formed by
A Complete transfer of electrons
& Donating an electron pale by one atom
Accepting electron par by one atom D
Mutual sharing of an electron pair by Mostoms
The aqueous solutions of lonlo compounds conduct electroly due to
A Their high density
Free movement of their lons in solution
Their strong lonid bonds
D Crystalline structure
Aliquid bols when its vapour pressure becomes equal to
A
78 mmHg
В.
0.5 atm
101 325Pa
D
Which of the following is the opposite of mating?
А Freezing B Evaporation
Boiling D. Sublimation
A 100 gram solution contains 25 grams of a solute. This solution will be called:
А 25% solution of that solute
75% solution of that solute
175% solution of that soluto
D. 125% solution of that soluta
The volume of a 05 M solution of hydrochloric acid containing its 2 moles is:
4.00h C. OS dm D.
A
0:4dn'
3
380 ton
22
2
Galvanizing is:
A Coating with Zn
8. Coating with Sn
Coating with Cu
D. Coating with Cr
What is reducing agent in the following roaction? CwO+R, Cu 11,0
A Cuo
3. Cu
c.
HO D.
Which of the following oxides is amphoteric oxida?
A Na, o B. 40
Mgo O
SO,
For Examiner's use only:
Total Marks:
12
Marks Obtained:
1SA 1808 (ON) -
Answers
Answered by
1
Answer:
please ask as one one question in order wise
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