Everyday Science MCQs

5120 MCQs  (Page 255 of 512)

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Biosensor is used to measure?
A. Blood glucose level
B. The body ph value
C. Amount of hemoglobin
D. Salinity in urine
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The three elements needed for healthy growth of plants are __________?
A. N, p, k
B. N, c, p
C. N, k,
D. N, s, p
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Name the branch of science which deals with the study of sound and sound waves?
A. Aeronautics
B. Acoustics
C. Aerostatics
D. Aetiology
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The SI unit of Heat is________?
A. Watt
B. Volt
C. Joule
D. Newton
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What is the molecular Weight of Nitric acid (HNO3 ) ?
A. 63.012 g/mol
B. 65.012 g/mol
C. 70.012 g/mol
D. 81.011 g/mol
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The absolute value of charge on electron was determined by ________ ?
A. J.j.thomson
B. Chadwick
C. Rutherford
D. Robert millikan
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The discovery of neutron became very late because _______ ?
A. It does not carry any charge
B. It does not move
C. It is a fundamental particle
D. It is present in nucleus
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What is the molecular formula for Nitric acid ________ ?
A. Hno2
B. Hno3
C. Hn2o2
D. H2no4
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Which among the following is not a property of Ionic bond _________?
A. Sharing of electrons
B. Transfer of electrons
C. Losing of electrons
D. Gain of electrons
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Sum of protons and neutrons in an atom gives off _________ ?
A. Nucleon numbera
B. Mass number
C. Atomic number
D. Both a and b
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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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