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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: - A yellow metal sulphide is
- A nucleophilic substitution reaction proceeds through SN1 mechanism.
- Cell reaction is spontaneous when
- The change in oxidation state of sulphur when sulphur dioxide is passed
- If a 0.00001 M solution of HCl is diluted thousand folds the pH of the resulting
Topics: States of Matter Gases and Liquids
(80)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A yellow metal sulphide is
- A nucleophilic substitution reaction proceeds through SN1 mechanism.
- Cell reaction is spontaneous when
- The change in oxidation state of sulphur when sulphur dioxide is passed
- If a 0.00001 M solution of HCl is diluted thousand folds the pH of the resulting
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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