Which is the largest gland in the human body?
A. Kidney
B. Liver
C. Pancreas
D. Stomach
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December 2023
When a pen is dipped in water, it appears tilted. Which phenomena is responsible for tilting?
A. Reflection
B. Refraction
C. Diffraction
D. Total Internal Reflection
Which of the following metals catches fire when thrown in water?
A. Sodium
B. Potassium
C. Iridium
D. Cesium
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