Dear candidates you will find MCQ questions of 9th Class - Chemistry and Biology | Chapter: Matter in Our Surroundings here. Learn these questions and prepare yourself for coming examinations. You can check the right answer of any question by clicking the option or by clicking view answer button.
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Q. Which of the following phenomena would increase on raising the temperature?
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Q. Seema visited a Natural Gas Compressing unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions.
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Q. The property of flow is unique to fluids. Which one of the following statements is correct?
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Q. During summer, water kept in an earthen pot becomes cool because of the phenomenon of
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Q. A few substances are arranged in the increasing order of ‘forces of attraction’ between their particles. Which one of the following represents a correct arrangement?
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Q. On converting 25°C, 38°C and 66°C to Kevlin scale, the correct sequence of temperature will be
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Q. Choose the correct statement from the following:
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Q. The boiling points of diethyl ether, acetone and n-butyl alcohol are 35°C, 56°C and 118°C respectively. Which one of the following correctly represents their boiling points in Kelvin scale?
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Q. Which condition out of the following will increase the evaporation of water?
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Q. In which of the following conditions, the distance between the molecules of hydrogen gas would increase? (i) Increasing pressure on hydrogen contained in a closed container (ii) Some hydrogen gas leaking out of the container (iii) Increasing the volume of the container of hydrogen gas (iv) Adding more hydrogen gas to the container without increasing the volume of the container
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Q. The boiling point of water at sea level is
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Q. Which of the following has the strongest interparticle forces at room temperature?
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Q. Which of the following conditions is most favourable for converting a gas into a liquid?
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Q. Fill in the blank: At room temperature the forces of attraction between the particles of solid substances are ………….. than those which exist in the gaseous state.
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Q. Fill in the blank: The arrangement of particles is less ordered in the ……………. state. However, there is no order in the ………….. state.
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Q. Fill in the blank ………… is the change of gaseous state directly to solid state without going through the ……………. state.
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Q. Fill in the blank The phenomenon of change of a liquid into the gaseous state at any temperature below its boiling point is called ………………
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Q. A mixture of sulphur and carbon disulphide is
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Q. Which of the following are homogeneous in nature? (i) ice (ii) wood (iii) soil (iv) air
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