WebApr 7, 2024 · Previous Year Questions of Chapter-Water for ICSE Class-9 Chemistry Question 1. (1984) Name one substance which is ‘deliquescent’. Answer: Deliquescent substance is NaOH (sodium hydroxide), KOH, CaCl 2 Question 2. (1984) How does an increase in temperature affect : the solubility of NaCl the solubility of CaSO 4 in water ? Answer: WebUnit 3 : Water Management, Irrigation, The process of giving excess water to crops other than rain water is called “Irrigation.”, • Types & Methods of Irrigation, – Main irrigation methods in Maharashtra are as follows, 1. Watering from the surface of the land. , Here, furrow (sari) and bed (wafa) method is used., 2.
Revision Notes for Water Class 9 Chemistry ICSE - ICSE Rankers
WebSide effects of Creating Dams - Water Resources Class 10 Notes. The natural flow of rivers is affected by regulating and damming. Aquatic life in rivers is adversely impacted by this. Fragmentation of rivers due to dams makes it difficult for aquatic fauna to migrate. Construction of dams on floodplains leads to the submergence of existing ... WebLearn Water & get access to important questions, mcq's, videos & revision notes of ICSE Class 9 Chemistry chapter at TopperLearning. Register now! simplot website
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WebSummary. Water occupies two-thirds of our earth. 97% of water available is salt water found in seas and oceans. At about 3% is the fresh water available on earth. Most of it is in the … WebAns. Clouds are formed by the condensation of water droplets in the air. It occurs as large amount of water evaporates and goes into the air. Air rises up, it expands and cools. The … WebThe ‘Water Cycle’ or ‘Hydrologic’ is a continuous process. Water evaporates, travels into the air, becomes part of a cloud, falls to earth as precipitation, and then evaporates again. In this cycle, first water evaporates from different water sources (pond, river, ocean) and goes higher. It rises higher into the upper atmosphere in the ... rayon crochet thread