Everyday Science MCQs

5120 MCQs  (Page 227 of 512)

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BeCl2 has the hybrid orbitaks of type_______?
A. Sp2
B. Sp3
C. Sp
D. Dsp2
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Molecular orbital Theory is also called_________?
A. Bonding theory
B. Band theory
C. Antibondingtheory
D.π and σ bonding theory
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Formula of Galena is________?
A. Pbs
B. Hgs
C. As2s3
D. Fes2
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Ethylene diammine is ligand________?
A. Mono dentate
B. Bi dentate
C. Tri dentate
D. Poly dentate
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If volumetric analysis methyl orange indicator is used when_________?
A. Acid is strong
B. Acid is weak
C. Bade is strong
D. Acid is strong base is weak
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For the reaction 2HI ____________> H2+ I2
A. Kp > kc
B. Kc > kp
C. Kp= kc
D. Kp ≤ kc
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The reaction of Lucas reagent is the fastest with_________?
A. (ch3)2choh
B. Ch3(ch2)oh
C. Ch3ch2oh
D. (ch3)3coh
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If a compound contains 24 gram of carbon 2 gram of hydrogen and 64 gram of oxygen then its empirical formula will be________?
A. C2h2o4
B. Ch2
C. Ch2o
D. Cho2
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Noble gases are so called zero group because they have:_________?
A. Zero valency
B. Zero electronegativity
C. Zero electron affinity
D. Both a and b
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The expected number of RBCs in a single drop, or microliter, of blood is _________ million in Men.
A. 4.5 to 6.2 million
B. 3.4 to 6.8 million
C. 3.2 to 7.2 million
D. 4.0 to 5.2 million
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Word of the Day
24 Jul
Untenable
(especially of a position or view) not able to be maintained or defended against attack or objection.
ناقابل مدافعت، غیر مستحکم، جو دلیل سے ثابت نہ ہو سکے

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