MCQ Matter And Its States SET 7ALL MCQ For Matter And Its States 1. 22.4 litre of any gas at N.T.P. will containOne gram equivalentOne gram atomic weightOne gram moleculeOne gram atomQuestion 1 of 152. If the temperature and pressure remain unchanged the volume of O2 obtained by the decomposition of a certain volume of SO2 will beOne third the volume of SO2Triple the volume of SO2Equal to the volume of SO2Half the volume of SO2Question 2 of 153. Which of the following phrases would be incorrect to use?An atom of an elementA molecule of a compoundA molecule of an elementAn atom of a compoundQuestion 3 of 154. Four 1 litre flasks are separately filled with the gases hydrogen, helium, oxygen and ozone at the same temperature and pressure, the ratio of total number of atoms of these gases present in the different flasks would be3:2:2:11:2:2:32:1:2:31:1:1:1Question 4 of 155. Which of the following contains the same number of atoms as 12 gms: of Magnesium (Atomic weights : Mg = 24, C = 12, Ca = 40)10 gms of calcium12 gms of carbon20 gms of calcium20 gms of carbonQuestion 5 of 156. The vapour density of pure ozone would be3212248Question 6 of 157. How many moles of water are present in 180 gm. of water ?1090215Question 7 of 158. The vapour density of completely dissociated sociated NH4CL would beHalf of that NH4CLTriple to that of NH4CLDetermined by the amount of solid NH4CL used in the experimentSlightly less than half of that of NH4CLQuestion 8 of 159. The number of molecules is 4.25 g of ammonia are approximately3.5 x 10231.5 x 10232.5 x 10230.5 x 1023Question 9 of 1510. 20 litres of hydrogen gas weighs about1.8 g12.2 g3.6 g224 gQuestion 10 of 1511. The number of atoms in 0.004 gm of magnesium is close to36x 1055 x 102010206.02 x 1023Question 11 of 1512. The critical temperature of a substance is defined asthe temperature above which the substance decomposesboiling point of the substancethe temperature above which the substance can exist only as a gasmelting point of the substanceQuestion 12 of 1513. When there is more deviation in the behaviour of a gas from ideal gas equation PV = nRTat high temperature and low pressureat low temperature and low pressureat low temperature and high pressureat high temperature and high pressureQuestion 13 of 1514. Which of the following statement wrong?In solid state molecules, atoms or ions are held with a strong force of attraction and are in a fixed positionIn gaseous states, the molecules are randomly arranged and are apart from each otherSolid, liquid and gaseous states have different movement is particlesIn liquid state the molecules, atom or ions are held with a strong force and have a restricted motionQuestion 14 of 1515. If the reactants and products both are in gaseous phase they bear a simple ratio in theirvolumestemperatureatomsmoleculesQuestion 15 of 15 Loading...
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