MCQ Chapter 5 Science Class 6 Maharashtra Board Substances in the Surroundings – Their States and Properties 1. What is the process called when a substance changes from one state to another?CondensationEvaporationChange of stateSublimationQuestion 1 of 202. Who demonstrated that the properties of a substance depend on its physical state and particle arrangement?Isaac NewtonJ.Willard GibbsAlbert EinsteinMarie CurieQuestion 2 of 203. Which of the following substances freezes in winter?SpiritCamphorCoconut oilPetrolQuestion 3 of 204. What is an example of a substance that directly changes from solid to gas?IceWaxNaphthaleneWaterQuestion 4 of 205. Which of the following has a definite volume but no definite shape?SolidLiquidGasPlasmaQuestion 5 of 206. Which of the following is an example of a gas?IronWaterAirWaxQuestion 6 of 207. What is used to measure temperature accurately?ScaleThermometerRulerBarometerQuestion 7 of 208. What is the boiling point of pure water at sea level?50°C75°C100°C125°CQuestion 8 of 209. What is the freezing point of water?-10°C0°C10°C100°CQuestion 9 of 2010. Which metal is known for its high ductility?IronCopperGoldAluminiumQuestion 10 of 2011. What property describes the ability of a metal to be beaten into sheets?DuctilityHardnessMalleabilitySonorityQuestion 11 of 2012. What is the unit of temperature measurement?KelvinFahrenheitCelsiusJouleQuestion 12 of 2013. What property of metals allows them to conduct electricity?DensityElasticityElectrical conductivityFluidityQuestion 13 of 2014. What is the process called when water vapor turns into liquid?EvaporationCondensationSublimationMeltingQuestion 14 of 2015. What property allows liquids to flow?ElasticityFluidityHardnessDensityQuestion 15 of 2016. Which property is observed when a substance breaks easily?MalleabilityBrittlenessElasticitySonorityQuestion 16 of 2017. What is an example of a substance that has transparency?IronBrickGlassCoalQuestion 17 of 2018. What happens when ice absorbs heat?It freezesIt condensesIt meltsIt sublimatesQuestion 18 of 2019. What type of metal is used in making electrical cables?AluminiumGoldIronCopperQuestion 19 of 2020. What is the term for the temperature at which a liquid turns into a gas?Freezing pointBoiling pointMelting pointSublimation pointQuestion 20 of 20 Loading...
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