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А) лопипп 8а. Q:-7 The sky looks blue due toa) refractionb) reflectionc) dispersion effectd) scatteringQ:-8 The presence of charge on colloidal particle is indicatedbya) electrolysisb) dialysisc) tyndal effectv d) none of theseQ:-9 Which is the lightest gasa) Hydrogen(b) Oxygen(c) Helium(d) NitrogenQ:-10 The inert gases are(a) Polyatomic(b) Triatomic(c) Diatomic(d) MonoatomicQ:-11 The noble gas which forms maximum number ofcompounds is(a) Ar(b) HeV (c) Xe(d) Ne0:-12 in dark, which of the following reacts with hydrogenhlF |
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