Q NO. 1: Choose the right answer. /13
1) Petroleum is refined by:
a) Simple distillation b) Fractional distillation
b) Destructive distillation d) Dry distillation
2) Main component of natural gas is:
a) Methane b) Ethane c) Propane d) Propene
3) Pitch is black residue of:
a) Coke b) Coal c) Coal tar d) Coal gas
4) Vital Force Theory was given by:
a) Wohler b) J. Berzillius c) Kolbe d) Lowery
5) Structural formula represents:
a) actual no. of atoms b) group of atom
c) sharing of electrons d) arrangement of atoms
6) The elements that exhibits catenation should have:
a) Valency greater than 2 b) Valency 2
c) Valency 1 d) Both a and b
7) Inorganic compounds are mostly:
a) incombustible b) combustible c) soluble in ether d) None
8) Organic compounds are in nature:
a) atomic b) molecular c) fewer d) ionic
9) Wood contain about _% of Carbon:
a) 20% b) 40% c) 60% d) 80%
10) The functional group of Ether is:
a) -O- b) -OH c) -COOR d) -COH
11) Alkyl radicals are derivatives of:
a) Alkenes b) Alkanes c) Alkynes d) Ions
12) Coal gas is the mixture of:
a) Hydrogen b) Methane c) CO d) all of these
13) Lignite is used in:
a) Thermal power stations b) Industry c) Kiln d) Houses
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