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CBSE 9th Science | Matter- Nature and Behaviour – NCERT Exercise – 3
Matter- Nature and Behaviour – NCERT Exercise – 3 Question 11. Write the steps that you would use for making tea. Use the words solution, solvent, solute dissolve, soluble, insoluble, filtrate and residue. Answer. In making tea various steps involved are: (i) Put some water (solvent) in a pan and put the pan containing water…
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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…