Short quiz in Science 7

Sodium Hydroxide is an example of:

• BASE

• ACID

• SALT

Below are the properties of metals EXCEPT:

• maleable and ductile

• high densities

• shiny

• do not exhibit luster

BASE is also called ________ substance.

• Alkalees

• Alkali

• Alkaline

A properties of metals that can be drawn into a wire.

• malleable

• ducility

• electrical conductivity

Nitrogen, helium, oxygen and flourine is an examples of a ....

• Metal

• Non metal

• Metalloids

This is the basic unit of a matter

• Atom

• Cell

• Molecules

NaCl or table salt is composed of Sodium and Chlorine. What do we called a substance that composed of two or more elements?

• Molecules

• Compound

• Atoms

This is the result of the neutralization of acid and base.

• Compound

• Alkali

• Alikalines

• Salt

Acid is came from the word ______ which means "sour"

• Acidic

• Acidus

• Acides

• Acedus

This is a kind of elements that has properties of both metals and non metals.

• Compound

• Molecules

• Mettaloids