The number of moles in 128 gm of SO2 will be from Science Materi

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

Advertisement

91.

The number of moles in 128 gm of SO2 will be

  • 1 mole

  • 2 mole

  • 3 mole

  • 4 mole


B.

2 mole


Advertisement
92.

The oxidation state of iron in Fe(CO)5 is

  • 0

  • 2

  • 3

  • 5


93.

The compound responsible for the temporary hardness of water is

  • Mg(HCO3)2

  • CaCl2

  • MgSO4

  • CaCO3


94.

Medium A is optically denser than Medium B. Which one of the following statements is true?

  • Speed of light is same in both A and B

  • Cannot be compared

  • Speed of light is more in medium A than in medium B

  • Speed of light is more in medium B than in medium A


Advertisement
95.

Heat energy of an object is

  • the average energy of the molecules of the object

  • the total energy of the molecules of the object

  • the average velocity of the molecules of the object

  • the average potential energy of the molecules of the object


96.

The momentum of a heavy object at rest will be

  • zero

  • small

  • large

  • None of these


97.

The heating element in an electric iron is made of

  • iron

  • tungsten

  • nichrome

  • copper


98.

Emission of which one of the following will produce isobars?

  • Alpha particles

  • Beta particles

  • Gamma rays

  • X-rays


Advertisement
99.

The radioactive isotope of hydrogen is called

  • deuterium

  • protium

  • radium

  • tritium


100.

Vapour pressure of liquid depends upon the

  • quantity of heat

  • temperature of liquid

  • specific heat of liquid

  • density of liquid


Advertisement