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CADET COLLEGE OKARA
Entrance Test 1st Year (Chemistry)
Max Marks 25
Time Allowed 30 Mins
(Objective Part)
Q#1
Tick the correct answer
(10)
which one of the following is used as jet fuel:
1-
(a) kerosene oil
2-
(b) lubricating oil
(c) fuel oil
(d)
diesel
(c) CaCO3
(d) CaO
(c) 2.4KJg-1K-1
(d) 2.4Jg-1K-1
when NaHCO3 is heated it forms:
(a)
CO2
(b) Ca(OH)2
3-
specific heat capacity of water is
(a)
4.2KJg-1K-1
4-
normally rain water is weakly acidic because of
(a) SO2 gas
5-
(b) 4.2 Jg-1K-1
(b)
CO2 gas
(c) SO3 gas
(d) NO2 gas
dehydration of alcohols can be carried out with
(a) NaOH
(b) KOH
(c) H2SO4
(d) HCl
6- the reduction of alkyl halides takes place in the presence of?
(a) Zn/HCl
(b) Na/HCl
(c) Mg/HCl
(d) Cu/HCl
7- which one of the following is the hardest coal:
(a)
peat
8-
(b) lignite
(c) bituminous
(d) anthracite
which one of the following is a lewis base?
(a)
NH3
9-
(b) BF3
(c) H+
(d) AlCl3
deficiency of vitamin E causes
(a)
rickets
(b) scurvy
(c) anemia in babies
(d) night blindness
10- what is the pOH of 0.02M Ca(OH)2
(a)
1.698
(b) 1.397
(c) 12.31
(d) 12.61
(Subjective Part)
Q. 2.
12345-
Q.3.
Short questions
(10)
Define atomic mass unit. Why is it needed?
Why is the ionization energy of Na more than K?
What are the advantages of Solvay’s process?
Prepare ethylene glycol from ethane.
Encircle functional group & give name of functional group.
i. HO –C-CH2-CH3
ii. CH3-O-C-CH3.
Write down the chemical properties of alkynes.
(05)