Multiple choice

Why is it difficult to move your hand through a table, while it is easy to move your hand through air?

  1. Because particles are loosely packed in solid<font size="2"> state,</font> but are tightly packed in gase<font size="2">ous state</font>

  2. Because particles <font size="2">in</font> solid <font face="Arial" size="2"><font size="2">state</font></font> possess weak forces of attraction, but those in gase<font size="2">ous </font><font size="2"><font face="Arial" size="2"><font size="2">state</font></font></font> possess strong forces of attraction

  3. Because particles <font size="2">in</font> solid<font size="2"> </font><font size="2"><font face="Arial" size="2"><font size="2">state</font></font></font> have a negligible space in between them, but those in gase<font size="2">ous </font><font size="2"><font face="Arial" size="2"><font size="2">state</font></font></font> have a large space in between them

  4. Because particles in solid state possess high kinetic energy, but those in gaseous state possess low kinetic energy
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The constituent particles of solids are tightly packed and in the absence of inter-particle spaces no object can move through it. Movement through  the gaseous state of matter is possible due to the large inter-molecular spaces.

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