What is the abundant form of matter on earth ?

Related Mcqs:

1. What is the simplest form of matter ?

   A. Gas
   B. Liquid
   C. Solid
   D. Semi solid

2. Which of the following noble gases is abundant in air?

   A. Neon
   B. Helium
   C. Argon
   D. Methane

   Submitted by: Malik Asghar Hussain

3. Which state of matter has the lowest density ?

   A. Gas
   B. Liquid
   C. Solid
   D. Plasma

4. In how many forms do matter exists ?

   A. Three
   B. Four
   C. Five
   D. Two

5. Every sample of matter with uniform properties and fixed composition is called_________________?

   A. solute
   B. solvent
   C. solution
   D. phase

6. The system which can exchange matter as well as energy with its surroundings is called____________?

   A. open system
   B. Closed system
   C. Isolated system
   D. Inert system

   Submitted by: Aneela shabbir

7. The theory which explains the behavior of particles of matter in motion is called ______?

   A. Bohr’s Theory
   B. Dalton’s Theory
   C. Kinetic Molecular Theory
   D. None

   Submitted by: Zahid Jagirani

8. Alkali and alkaline earth metals impart colours when heated over burner. It is due to______________?

   A. Smaller electronegativity of alkali metals
   B. Smaller ionic radius of these metals
   C. De-excitation of electrons from higher energy levels to low energy level
   D. Excitation of electrons from low energy levels to higher energy levels

9. First ionization potential of alkaline earth metal is greater than alkali metals because___________________?

   A. They are more reactive
   B. They have greater atomic radii
   C. They have smaller atomic sizes
   D. All

10. The earth absorb radiation in Visible range but emit radiation at the same rate in the:

    A. Ultra voilet
    B. Gamma rays
    C. Infrared
    D. All of these

    Submitted by: Said wali shah