What are the uses of metals ?

What are the uses of non-metals?

What is the nature of metal oxides ?

An oxide of metal (at . Wt = 112) contains 12.5% of oxygen by weight. What is the valency of metal? What mass of the metal will be liberated when the oxide is converted to chloride with HCl and electrolysed using a current of 9.65 amp for a period of 30 min?

What are the common methods used in the extraction of metals?

You are given a hammer, a battery, a bulb, wires and a switch. (a) How could you use them to distinguish between samples of metals and non-metals? (b) Assess the usefulness of these tests in distinguishing between metals and non-metals.

What are metals?

Write any four uses of metals in different situations.

What are the metal ions present in carnallite?

What is the reaction of metal oxides with acids ?

When do highly reactive metals are used as reducing agents. What is the result of it ?