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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: - Which of the following is a representation of Gay-Lussac’s law
- Which of the following doesn’t give a ppt. with silver nitrate solution
- A 20 mass percent H₂SO₄ solution has density 1.15 g mL⁻¹.Molarity
- For a reaction , 2NOCl(g) ⇌ 2NO(g) + Cl₂(g), Kc at 427⁰C
- Which of the following pairs of ions are isoelectronic and isostructural
Topics: States of Matter Gases and Liquids
(80)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following is a representation of Gay-Lussac’s law
- Which of the following doesn’t give a ppt. with silver nitrate solution
- A 20 mass percent H₂SO₄ solution has density 1.15 g mL⁻¹.Molarity
- For a reaction , 2NOCl(g) ⇌ 2NO(g) + Cl₂(g), Kc at 427⁰C
- Which of the following pairs of ions are isoelectronic and isostructural
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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