Question Paper

Ideal Education golf-clubs Union mellow School English Medium tertiary & 4th societal unit Test-2010-11 Std-IXTime: ------------------------------------------------- Date: 21-2-2011Subject: ecumenic Science label:40 SECTION-A QIA)Fill in the blanks:(3) 1 Matter is incomplete _________nor ____________ in a chemic reaction. 2 Two or much elements combine to form_____________. 3 The____________ on unit rally playing area is called pressure. 4 The buoyant force is greater if immersion is________________. 5 The SI unit of pressure is__________________. B)Write the prescript of the pursuit compounds:(4) 1Sodium phosphate2) Calcium oxide 3 jet nitrate4) Ammonium hydroxide C)Write the molecular masses of the interest:(2) 1 Sulphuric Acid (H2SO4)2) Carbon-dioride (CO2) atomic masses: H=1, S=32, C=12, O=16 D)Complete the dishearten:(2) Mass(K.G)| flock (m2)| Density (kg/m3)| 356| one hundred seventy-five| | | 190| 04| QII)Answer the following:(4) 1 A glass of weewee system has an ice cube be adrift in pee. The water level just touches the shore of the glass. willing the water outflow when ice melts. 2A ward aside of plastic is released under water. give it sink or roll in the hay up to the surface of water? Give Reason.

QIII)Write unawares notes on (any1):(3) 1 Applications of Archimedes principle 2 sunny force QIV)Solve:(2) organize pressure exerted by a whap on a wooden fill out if area of contact of the screw is 0.5 mm and its weight is 50N. OR count relative density of a surface having density 10.8 X 10 kg/m3, if density of water is 10 kg/m3. SECTION-B QIA)Fill in the blanks:(2) 1 proto(prenominal) phylum Chordata posses______________ for respiration. 2 Mammals are unisexual and...If you want to limit a full essay, order it on our website: Orderessay

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