Recap:If we do not save water now, soon we will beleft with no safe water for consumption.(d)(e) W1. Water is essential for life as allliving organisms need it.2. Water plays an important role inthe working of our body.3. The body loses water in the formof sweat, urine and whilebreathing.4. Water is useful to us as it candissolve many substances in it.Polluted water has many inpurities, likedifferent salts, dirt and germs present in it.Water can be cleaned by the methods ofsedimentation and decantation, filtration,boiling and chlorination.7. Drinking water should be cleaned to killdisease causing germs present in it.8. Water is precious, it should be conserved.5.4. Nam6.(a)(b)(c)(dExercises5.1.Tick () the correct option:is not soluble in water.(a)(1) Salt(ii) Sugar(iii) ( Sand(iv) Ink(b)is soluble in water.(i) Chalk(ii) Ink(iii) Sand(iv) 6tone(c) Sea vater is unfit for drinking due to presenceof large amounts of dissolved:(1) nitrogen(ii) exygen(iii) carben diexide(iv) salts88

"Since you have asked multiple question, we will solve the first question for you. If you want any…

Answered: (a) is not soluble in water.

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble