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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.
Related Questions: - Highest electron affinity is shown by
- For the equilibrium, H₂O(l) ⇌ H₂O(g) at 1 atm and 298 K,
- Peroxide effect can be checked by the addition of sufficient amount of
- The reaction of chloroform with ethylamine in alcoholic alkali gives
- The coordination number of Na⁺ in NaCl is
Topics: States of Matter Gases and Liquids
(80)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Highest electron affinity is shown by
- For the equilibrium, H₂O(l) ⇌ H₂O(g) at 1 atm and 298 K,
- Peroxide effect can be checked by the addition of sufficient amount of
- The reaction of chloroform with ethylamine in alcoholic alkali gives
- The coordination number of Na⁺ in NaCl is
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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