Questions

Vitamin A is a group of unsaturated nutritional organic compounds that includes retinol, retinal, retinoic acid, and several provitamin A carotenoids.

IUPAC Name :: (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraen-1-ol

Vitamin Name - Chemical Name

Vitamin A   -     Retinol

Vitamin B1  -    Thiamine

Vitamin B2  -    Riboflavin

Vitamin B3  -    Niacin

Vitamin B5  -    Pantothenic acid

Vitamin B6  -    Pyridoxin

Vitamin B7  -    Biotin

Vitamin B9  -    Folic acid

Vitamin B12  -   Cyanocobalamin

Vitamin C     -   Ascorbic acid

Vitamin D     -   Calciferol

Vitamin E      -   Tocoferol

Vitamin K      -   Phylloquinone and Menaquinones

As there is no atmosphere surrounding the moon, the second from any band that is played there cannot travel outwards there is no material medium surrounding if for its propagation.

In 1773, several colonies of North America refused to unload the tea coming in English ship.In Boston, when the governor ordered a ship to be unloaded, a group of citizens, dressed as American Indians, boarded the ship and dumped the crates of tea into the water. This incident is known as the 'Boston Tea Party '.

Microprocessor contain ROM chip beacause it contain instructions to execute data. It contain the monitor program which not only include execution instruction but also interfacing program

An SSD (solid-state drive) is a type of nonvolatile storage media that stores persistent data on solid-state flash memory.

Pearl Harbour is an American Naval base in Hawaii

The four bonds of carbon tetrachloride (CCl4) are polar, but the molecule is nonpolar because the bond polarity is cancelled by the symmetric tetrahedral shape. Hence, making the net dipole as zero and molecule as non-polar.

When other atoms substitute for some of the Cl atoms, the symmetry is broken and the molecule becomes polar.