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CBSE 9th Chemistry | Matter- Its Nature and Behaviour (Conceptual Questions with Answers)
Matter- Its Nature and Behaviour (Conceptual Questions with Answers) Question 1. Sugar when kept in different jars gain their shape. Is sugar a solid ? Answer. Yes, sugar is solid because shape of each individual crystal of sugar remains fixed whether we take it in our hand or put in a plate or put it…
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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…