Nootan ISC Chemistry Class 11. We covered all the Nootan ISC Chemistry Class 11 MCQs in this post for free so that you can practice well for the exam.
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Nootan ISC Chemistry Class 11 Objective for Students
Which one of the following elements exists in a liquid state at room temperature?
(a) Hydrogen.
(b) Oxygen.
(c) Bromine.
(d) Iodine.
Option c – Bromine
Inert gases are
(a) miscible with water.
(b) not stable.
(c) chemically unreactive.
(d) chemically very active.
Option c – chemically unreactive
Which gas is known as the ‘noble gas’?
(a) Hydrogen.
(b) Oxygen.
(c) Helium.
(d) Carbon dioxide.
Option c – Helium
Which one of the following noble gases is not found in the atmosphere?
(a) Argon.
(b) Krypton.
(c) Radon.
(d) Xenon.
Option c – Radon
The most reactive among the halogens is
(a) fluorine.
(b) chlorine.
(c) bromine.
(d) iodine.
Option a – fluorine
When CO₂ is passed through an aqueous solution of bleaching powder, the gas evolved is
(a) chlorine.
(b) oxygen.
(c) ozone.
(d) chlorine dioxide.
Option a – chlorine
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