Question

U nee and escape as gas.
Q.3 Complete the statements by filling the blanks with the correct word from the bracket (5)
1. In naphthalene, the inter-particle attraction is
[high/low]
2. The law of conservation of mass, is strictly valid if mass and
fenergy/volume) are considered together.
3. When inter-partide space increases, the inter-partide attractive force (decreases/ increases
4. Kinetic energy of molecules in helium is
(large/very large compared
to the kinetic energy of molecules in water.
5. Conversion of vapour for gas) into a liquid is termed (liquefaction/vaporization).​

Answer 1

1) In naphthalene, the inter-particleattraction is low.

2) law of conservation of mass will not be strictly valid unless mass and energyare considered together.

3) When inter-particle space increases, the inter-particle attractive force decreases.

4)The kinetic energy of molecules inhelium is large compared to the kineticenergy of molecules in water.

5)In commercial and industrial situations, the process of condensing agas to liquid is sometimes referred to asliquefaction of gases.

Explanation:

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