Q: 14 (CDS-I/2015)

A metallic plate sticks firmly on the mouth of a water vessel made from another metal. By way of heating, one can detach the plate from the vessel. This is because heat expands
question_subject: 
Science
question_year: 
2015
question_exam: 
CDS-I
stats: 
0,2200,1904,464,928,2200,512