Question

а) лопипп 8а.
Q:-7 The sky looks blue due to
a) refraction
b) reflection
c) dispersion effect
d) scattering
Q:-8 The presence of charge on colloidal particle is indicated
by
a) electrolysis
b) dialysis
c) tyndal effect
v d) none of these
Q:-9 Which is the lightest gas
a) Hydrogen
(b) Oxygen
(c) Helium
(d) Nitrogen
Q:-10 The inert gases are
(a) Polyatomic
(b) Triatomic
(c) Diatomic
(d) Monoatomic
Q:-11 The noble gas which forms maximum number of
compounds is
(a) Ar
(b) He
V (c) Xe
(d) Ne
0:-12 in dark, which of the following reacts with hydrogen
hlF​

Answer 1

Answer:

d

C

dont know

argon

This ans r..

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