N.C.E.R.T Class 9 Science Sample Paper 4 MARKS : 80 DURATION : 3 HRS Section A Each question carriers 1 mark 10 X 1 = 10M 1. To make a saturated Solution, 36 gm of sodium chloride is dissolved in 100 gm ofwater at 293 K. Find its concentration at this temperature. 2. How will you separate a mixture containing kerosene and petrol (difference in theirboiling points is more than 25ºC), which are miscible with each other? 3. ...
NCERT Class 9 Science Sample Paper 3 MAX. MARKS : 80 DURATION : 3 HRS General Instructions: Ø The question paper comprises of five sections – A, B, C, D and E. You are to attempt all the sections. Ø All questions are compulsory. Ø Internal choice is given in sections B, C, D and E. Ø Question numbers 1 and 2 in Section - A are one mark questions. They are to be answered in one word or in one sentence. Ø Question numbers 3 to 5 in Section - B are two marks questions. These are to be answered in about 30 words each. Ø Question numbers 6 to 15 in Section - C are three marks questions. These are to be answered in about 50 words each. Ø Question numbers 16 to 21 in Section - D are 5 marks questions. These are to be answered in about 70 words each. Ø Question numbers 22 to 27 in Section - E are based on practical skills. Each question ...