Tag: Matter-Nature and Behaviour

  • CBSE 9th Chemistry | Matter-Nature and Behaviour-NCERT EXERCISE-1

    Matter-Nature and Behaviour-NCERT EXERCISE-1 Question 1. Convert the following temperature to celcius scale. (a) 300 K (b) 573 K   Answer. To change temperature on Kelvin scale (K) to celcius scale (°C) you have to subtract 273.16 from the given temperature on Kelvin scale. (a) 300 K 300K = (300-273.16)°C = 26.84°C(or 27°C) (b) 573…

  • CBSE 9th Chemistry | Matter-Nature and Behaviour – NCERT solved Questions

    Matter-Nature and Behaviour – NCERT solved Questions Question 1. Which of the following are matter? Chair, air, love, smell, hate, almonds, thought, cold-drink, smell of perfume.   Answer. The following are matter. Chair, air, almonds, cold-drink, smell of perfume. [NOTE] : Love, hate, smell and thought are not matter as they neither have mass, nor…