The field of specialization of famous Muslim scientist Abu Usman Aljahiz was?
The field of specialization of famous Muslim scientist Abu Usman Aljahiz was?
A. Botany
B. Zoology
C. Astronomy
D. None
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Einstein’s famous equation which states that mass and energy are interchangeable is?
Einstein’s famous equation which states that mass and energy are interchangeable is?A. E = mc2
B. E = cm2
C. M = ec2
D. M = ce2Which one of the following gases is readily soluble in water at room temperature?
Which one of the following gases is readily soluble in water at room temperature?A. Chlorine
B. Nitrogen
C. Ammonia
D. Carbon dioxidePermanent hardness of water is due to the presence of __________?
Permanent hardness of water is due to the presence of __________?A. Sodium bicarbonate
B. Calcium sulfate
C. Calcium bicarbonate
D. None of theseMost important effect of the moon on earth is that it___________?
Most important effect of the moon on earth is that it___________?
A. Causes weather change
B. Causes earthquakes
C. Causes solar and lunar eclipse
D. Effects tides of the oceanUnits of electricity consumed by 2500 watt air-conditioner in one hour are_________?
Units of electricity consumed by 2500 watt air-conditioner in one hour are_________?A. 25 units
B. 2.25 units
C. 2.5 units
D. 0.25 unitsPVC is obtained by the polymerisation of?
PVC is obtained by the polymerisation of?A. Propane
B. Vinyl chloride
C. Styrene
D. None of these