Transcription of Multiple Choice Questions
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Multiple Choice Questions
SCIENCECLASS IX (THEORY)SAMPLE question PAPER - IITime: 3 HoursMaximum Marks : 75 Multiple Choice visited a Natural Gas Compressing Unit and found that the gas canbe liquefied under specific conditions of temperature and pressure. Whilesharing her experience with friends she got confused. Help her to identitythe correct set of conditions.(a)Low temperature, low pressure(b)High temperature, low pressure(c)Low temperature, high pressure(d)High temperature, high pressure(1) of the following are physical changes?(i)Melting of iron metal(ii)Rusting of iron(iii)Bending of an iron rod(iv)Drawing a wire of iron metal(a)(i), (ii) and (iii)(b)(i), (ii) and (iv)(c)(i), (iii) and (iv)(d)(ii), (iii) and (iv)(1) one of the following has maximum number of atoms?(a)18 g of H2O(b)18 g of O2(c)18 g of CO2(d)18 g of CH4(1) a sample of ethyl ethanoate (CH3 COOC2H5) the two oxygen atoms havethe same number of electrons but different number of neutrons. Which ofthe following is the correct reason for it?
SCIENCE CLASS IX (THEORY) SAMPLE QUESTION PAPER - II Time: 3 Hours Maximum Marks : 75 Multiple Choice Questions 1. Seema visited a Natural Gas …
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