Question

b) 20 g
Section - A
Q.1
Answer the following questions (10 x 1 = 10)
(i) One litre is
a)-10 m
b) 10-3 m
c) 10 m
d) 1 m
(ü) How many grams of water will be produced by complete combustion of 20 g of methane
gas?
a) 45 g
c) 16g
d) 36 g
(ii)Number of neutrons present in .4 C is
a) 6
b) 7
c) 8
d) 14
(iv)Dipole moment is an important tool to decide the
of the molecule.
a) Size
b) Geometry
c) Shape
d) Stability
(v) Which among the following elements is the representative element?
a) Carbon
b) Cobalt
c) Copper
d) Cadmium
(vi)At constant Temperature, the pressure of 10 dm volume of an ideal gas was increased
from 100 kPa to 200 kPa, new volume will be
a) 20 dm3
b) 10 dm3
(vii) Cheese is an example for
a) Solid sol
b) Aerosol
c) foam
d) gel
(viii) A carbon free Xadical is hybridized.
a) sp
b)-sp? c) sp d) spd
(ix) Which among the following functional groups is meta directing?
a)-C1
b)-OH c)-NH2 d) - C=N
(x) Which mixture among the following is called Syn gas'?
a) CO(g) + H2O(g)
b) CO2(g) + H2O (g)
c) ÇO(g) + H2(g)
d) CO2(g) + H2 (g)
c) 5 dm3
d) 0.2 dm3​

Answer 1

Explanation:

define centripetal force