Questions

Group 1 metals are also called as alkali metals with reactive in nature and low melting points. They are soft and produce hydrogen and alkaline metal hydroxide solution when they react with water.

World Wetlands Day is celebrated every year on 2nd February. This year’s World Wetlands Day under the theme of "Wetlands and Climate Change".

World Television Day is observed on November 21.

A price floor is the minimum price that can be charged. A binding price floor occurs when the government sets a required price on goods at a price above equilibrium. Because the government requires that prices not drop below this price, that price binds the market for that good.

A binding price ceiling is one that is set below equilibrium price.

I am History.

Yes, history refers to all the past, but we can create history in the presentand it cannot be polluted in the future.

Argon gas is used in fluorescent and incandescent light bulbs to stop the oxygen in the light bulbs from corroding the hot tungsten filament.

The use of argon in light bulbs prevents the evaporation of the tungsten filaments, which results in increased light bulb life.

Argon is also used to create an inert atmosphere for growing semiconductor crystals, arc welding and for processes that need protection from other kinds of atmospheric gases.