A. Red light
B. Sound waves
C. X-Rays
D. Photon
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Everyday Science Mcqs
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A. is always less than first ionization energy
B. is always greater than first ionization energy
C. is equal to the first ionization energy
D. may be greater or less than the first ionization energy depending on the nature of the element
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A. molecules are stable
B. molecules are unstable
C. nuclei are stable
D. nuclei are unstable
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A. depends on the pressure in the discharge tube
B. depends on the metal used as cathode
C. depends on the gas used in the discharge tube
D. does not depend on the nature of the gas used in the discharge tube
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A. higher melting point then molecular crystals
B. lower melting point then molecular crystals
C. discrete molecules linked by Van der waals forces
D. hydrogen bonding
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A. increase inter-molecular interactions
B. increasing potential energy of molecules
C. increasing kinetic energy of molecules
D. decreasing surface tension
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A. petrol molecules do not have any hydrogen bond
B. petrol is an organic compound
C. water molecules have small size
D. petrol molecules have greater size
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A. hydrogen bonding
B. irregular shape of the molecules
C. irregular shape of the molecules and strong inter-molecular forces
D. greater molecular size
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A. Ice
B. Diamond
C. Sucrose
D. Plastic
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A. ionic substances
B. metallic substances
C. molecular solids
D. covalent network solids
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