1.

Match the following

Answer»

`Prarrq,Qrarrs,Rrarrp,Srarrr`
`Prarrq,Qrarrp,Rrarrs,Srarrr`
`Prarrs,Qrarrp,Rrarrq,Srarrr`
`Prarrs,Qrarrp,Rrarrr,Srarrq,`

Solution :P-s condensation is the process ofconvering a gaseous substacne in to its liquid state by releasing heat energy
Q-p A small gap is left while laying the rail tracks is an APPLICATION of thermal expansion of solids
R-q Freezing point of a substacne is numerically equal to the MELTING point of the substance
S-r MIXTURE of common SALT and ice is called freezing mixture used to produce low temperture


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