Chemical name of vinegar is _____________?
Chemical name of vinegar is _____________?
A. Sodium Nitrate
B. Dilute acetic acid
C. Chloride of lime
D. Calcium
E. None of these
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Which gland in the human body is called the master gland?
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B. Thyroid
C. Pituitary
D. SpleenOil rises up to wick in a lamp because_____________?
Oil rises up to wick in a lamp because_____________?A. Oil is very light
B. Oil is volatile
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The main Constituent of Biogas is__________?
The main Constituent of Biogas is__________?A. Methane
B. Hydrogyn
C. Oxygen
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The natural source of hydrocarbon is:___________?
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B. Biomass
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At what angle above the horizon must the sun be to create a rainbow?
A. 90 degrees
B. 60 degrees
C. 40 degrees
D. 65 degreesSunlight is a Great Source of ____________?
Sunlight is a Great Source of ____________?
A. vitamin C
B. vitamin D
C. vitamin E
D. vitamin K