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.

Tempera paint is often used to create Sharp lines and details. This paint is popular in schools and can be used for finger painting.

The multiplier effect means that "An effect in economics in which an increase in spending produces an increase in national income and consumption greater than the initial amount spent."

Enzymes in the body are those which play an important role of breaking down the larger molecules to small and speeds up the chemical reactions.