Class 12 ncert maths solution chapter vector algebra exercise 10.2 Qno.4,5

Class 12 maths ncert solution chapter vector algebra Ex-10.2 Qno.1

Class 10 ncert maths solution exercise 8.1 Qn o. 1

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5 gm of K_2 SO_4 solution were dissolved in 250 ml of water. How many ml of this solution are needed to precipitate out 1.2 gm of BaSO_4 on addition of BaCI_2 ?

class 10 exercise 8.4 question 4 part 1and2