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Anomalous Behavior of Lithium Halogens

Which of the ...

Question

Which of the following is used as a sources of hydrogen for filling of balloons that is convenient and can be carried around?

Lithium hydride

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Sodium borohydride

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Calcium metal

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Sodium formate

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Solution

The correct option is B Lithium hydride
LiH is produced by treating lithium metal with hydrogen gas.
It is used for filling meteorological balloons which carries instruments aloft to send back information on atmospheric pressure, temperature, humidity and wind speed by means of a small, expendable measuring device called a radiosonde
Hence option A is correct answer.

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