Everyday Science MCQs

5120 MCQs  (Page 324 of 512)

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Energy released or absorbed when electrons are added in atom is_________________?
A. Ionization potential
B. Electronegativity
C. Electron affinity
D. Activation energy
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Elements of group IA IIA are _________________?
A. Electronegative
B. Electropositive
C. Neutral
D. Ia is electropositive while iia is electronegative
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Which is not a sublime material_______________?
A. Iodine
B. Benzoic acid
C. Ammonium chloride
D. Potash alum
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Shaking two immiscible liquids increases_________________?
A. Length of contact
B. Volume of contact
C. Area of contact
D. All of above
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The ionization energy__________________?
A. Generally increases from left to right in a period
B. Does not change in a period
C. Increase from top to bottom in a group
D. Does not change in a group
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Which type of bond is formed by overlap of p orbitals _______________?
A. Pi
B. Sigma
C. Both
D. Neither
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The octet rule does not always hold for which of the following elements _________________?
A. C
B. O
C. F
D. P
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Which of the following is the best explanation that CO2 is non polar molecule __________________?
A. Linear geometry
B. Dipole moment is zero
C. Sp hybridization
D. None
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Which one is not the absolute term of the element _________________ ?
A. Ionization energy
B. Electron affinity
C. Electro negativity
D. Atomic size
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In O2 each oxygen atom is hybridized_________________?
A. Sp3
B. Sp2
C. Sp
D. All
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Word of the Day
26 Jul
Simultaneously
at the same time.
ایک ہی وقت میں، ایک ساتھ، بیک وقت

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