Online Test | MCQ Matter in Our Surroundings | NCERT Class 9 Science Chapter 1 | CBSE Syllabus
Every student of class 9 of NCERT/CBSE syllabus may take part this online test of NCERT Class 9 Science Chapter 1 MCQ Matter in Our Surroundings and verify his score to check preparedness
#1. In which cases, the inter-molecular distance of hydrogen gas would increase - a. Increasing in pressure on hydrogen contained in a closed container, b. Some hydrogen gas leaking out of the container, c. Increasing the volume of the container of hydrogen gas, d. Adding more hydrogen gas to the container without increasing the volume of the container?
#2. A student heats a beaker containing ice & water. He measures the temperature of the content of the beaker as a function of time. Which one of the following figure represent the correct figure?
#3. Choose the correct statement
#4. A glass tumbler containing hot water is kept in the freezer compartment of a refrigerator (temperature <0oC). If you could measure the temperature of the content of the tumbler, which of the following graphs would correctly represent the change in its temperature as a function of time.
#5. The boiling points of diethyl ether, acetone & n-butyl alcohol are 350C, 560C & 1180C respectively. Which one of the following represents their boiling points in Kelvin scale?
#6. On converting 250C, 380C, 660C to Kelvin scale, the correct sequence of temperature will be -
#7. Rahul visited a natural gas compressing unit & - found that the gas can be liquefied under specific conditions of temperature & pressure. Rahul got confused while sharing his experience with friends. Help him to identify correct set of conditions
#8. Sulphur & Iron fillings are mixed & heated. After cooling the product was checked with a magnet but iron fillings were separated. The product thus formed was
#9. Which phenomenon will accelerate if temperature is raised
#10. A student heats a beaker containing ice & water. He measures the temperature of the content of the beaker as a function of time. Which one of the following figure represent the correct figure?
#11. When an iron nail was put into the copper sulphate solution, then after sometime we had observed reddish brown deposit on the iron nail. This deposition was of
#12. From which vessel, the rate of evaporation will be highest?
#13. When crushed iron sulphide is heated in a China dish over a flame of burner
#14. Liquids tend to flow. Then which is correct
#15. A few substances are arranged in the increasing order of 'forces of attraction' between their particles. Which represents correct arrangement?
#16. Which condition out of the following will increase the evaporation of water?
#17. Water kept in earthen pot becomes cool during summer because of
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To Be Continued