Since the pendulum rate will increase with an increase in gravity, and local gravity varies with latitude and elevation on Earth, pendulum clocks must be readjusted to keep time after a move. For example, a pendulum clock moved from sea level to 4000 feet will lose 16 seconds per day.
Metallurgy is the process of:
Which chemical compound is commonly known as Pearl Ash?
Which inert gas is most abundantly found in the atmosphere?
How can a mixture of sand and salt be separated?
Which metal remains liquid at room temperature?
Which base is present in soap?
The common name of hydrogen peroxide is:
Which of the following substances is classified as a carbohydrate?
The percentage of nitrogen in urea is :
The product of the equivalent weight and valency of an element equals its ______.