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The correct answer is C
Which of the following pairs of phenomena illustrate the particle nature of the electromagnetic radiation?
Perspiration cools the body because
What is the chemical name for baking soda?
Which is used to treat indigestion?
_____ is used for making chemical apparatus like beakers, flasks, etc.
What is the colour of the outer zone of complete combustion of candle flame?
A galvanometer is used to:
If water smells bad, then that odor can be removed by adding:
The common name of hydrogen peroxide is:
Which radioactive element is used in heart pacemakers?