Which Substance Is Used in Thermometer?
Ⓐ   Helium Ⓑ   Lithium
Ⓒ   Mercury Ⓓ   Nitrogen
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Which Substance Is Used in Thermometer?
Ⓐ   Helium
Ⓑ   Lithium
Ⓒ   Mercury
Ⓓ   Nitrogen
1 of 24