Chemical Properties of Metals and Non-metals

What is the reaction between a non-metal and a base?

How do metals lose electrons ?

Why is rusting not seen in every metal?

Is water a metal or non-metal.

Antimony is a metal.

Name the metalloids in the first twenty elements.

A pop sound is formed when hydrogen gas is burnt.

How do metals react with water?

_____ is an example of metalloid.

Metalloids have the properties similar to that of only metals.

Silicon and germanium are known as semiconductors.

Why germanium is classified as a metalloid?

Arsenic is an example of a non-metal.

Identify metalloid from the given elements.

The burning of coal undergoes a _____ reaction.

The burning of coal undergoes a combustion reaction.

Coal and oxygen react to form carbonic acid.

Coal reacts with _____ in the presence of a sufficient amount of oxygen to from carbon dioxide.

The product formed when coal is burnt in an insufficient supply of oxygen:

Name the colourless gas that evolves when potassium reacts with water. (Hydrogen / Oxygen)