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CBSE 9th Chemistry | Matter-Nature and Behaviour (Long Answer Type Questions with Answers)
Matter-Nature and Behaviour (Long Answer Type Questions with Answers) Question 1. (a) Justify the existence of matter in three states (i.e., solids, liquid, gaseous) (b) Discuss the changes observed when ammonium chloride is heated. (c) Convert -18°C to Kelvin scale. Answer. (a) The existence of matter in solid, liquid or gaseous state depends upon…
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CBSE 9th Chemistry | Matter- Nature and Behaviour (Short Answer Type Question)
Matter- Nature and Behaviour (Short Answer Type Question) Question 1. Name the two ways in which the modern day scientists have classified the matter. Answer. Modern day scientists have classified the matter in the following two ways – (i) On the basis of physical properties of matter i.e., physical classification, (ii) On the basis of…