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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: - When enthalpy and entropy change for a chemical reaction are – 2.5 x 10³ cals
- The electron was shown experimentally to have wave properties by
- Two possible stereo-structures of CH₃CHOHCOOH, Which are optically active are called
- 3-Pentanol upon reaction with PBr₃ gives 2 and 3-bromopentane.Such rearrangement
- Nitrogen dioxide and sulphur dioxide have some properties in common.
Topics: States of Matter Gases and Liquids
(80)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When enthalpy and entropy change for a chemical reaction are – 2.5 x 10³ cals
- The electron was shown experimentally to have wave properties by
- Two possible stereo-structures of CH₃CHOHCOOH, Which are optically active are called
- 3-Pentanol upon reaction with PBr₃ gives 2 and 3-bromopentane.Such rearrangement
- Nitrogen dioxide and sulphur dioxide have some properties in common.
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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