Questions

We know that,

Mass of Carbon = 12 gms

Mass of Oxygen = 16 gms = O2 => 16 * 2 = 32 gms

=> Mass of 1 mole of CO2 = 12 + 32 = 44 gms.

Thyroxin or Thyroxine is the thyroid hormone that regulates carbohydrate metabolism in the human body.

Production costs to an economist reflect opportunity costs.

False. The given statement that starting or restarting a computer is called tasking the system is not correct. 

We know that the starting or restarting a computer is called Booting the system.

No. Boiling water is not a chemical change. Because in this process it doesn't loss its properties. It just changes its state i.e, from liquid state to gaseous.

Hence, Boiling water is a Physiacl change and not a chemical change.

In Britain few of the Canals built during the early days of the Industrial Revolution are now playing an important role in the economy  of the country. Example, Grand Union Canal.