NCERT Question 6 (a) - Chapter 1 Class 9 - Matter In Our Surroundings

Give two reasons to justify—

water at room temperature is a liquid.

Answer

Water is a liquid at room temperature because

• It's Freezing Point is 0° C, Melting point is 100° C.. and room temperature is always between 0° C and 100° C
• And, at room temperature 
  • It has a definite volume but not a definite shape 
  • It flows at room temperature
  • It isn't rigid at room temperature