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Helium is used in balloons in place of hydrogen because it is
Options
(a) radioactive
(b) more abundant than hydrogen
(c) incombustible
(d) lighter than hydrogen
Correct Answer:
incombustible
Explanation:
Helium is used in balloons in place of hydrogen. Although lifting power of helium is about 92% of that of hydrogen, yet it is preferred because it is non-flammable or incombustible.
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Topics: States of Matter Gases and Liquids
(80)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The rate constant of the reaction A → B is 0.6 ˣ 10⁻³ mol per second.
- To prepare a pure sample on n-hexane using sodium metal as one reactant, the
- If the equivalent weight of an element is 32, then the percentage of oxygen
- Rate determining step in nitration of bezene is
- Which of the following compounds is known as white vitriol
Topics: States of Matter Gases and Liquids (80)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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