EASY
7th ICSE
IMPORTANT
Earn 100

What do you mean by alloy formation? Give an example of an alloy of iron and its use.

Important Questions on Metals and Non-Metals

EASY
7th ICSE
IMPORTANT
Define rusting. Write the chemical reaction to show rusting of iron.
EASY
7th ICSE
IMPORTANT

List the differences between the physical properties of metals and non-metals with respect to:

Hardness

EASY
7th ICSE
IMPORTANT

List the differences between the physical properties of metals and non-metals with respect to:

Density

EASY
7th ICSE
IMPORTANT

List the differences between the physical properties of metals and non-metals with respect to:

Sonority

EASY
7th ICSE
IMPORTANT

List the differences between the physical properties of metals and non-metals with respect to:

Melting point and boiling point

EASY
7th ICSE
IMPORTANT

List the differences between the physical properties of metals and non-metals with respect to:

Malleability and ductility

MEDIUM
7th ICSE
IMPORTANT

Write two uses of each of the following elements:

Iron, Magnesium, Chlorine, Zinc, Lead, Nitrogen, Aluminium, Antimony, Arsenic, Phosphorus

EASY
7th ICSE
IMPORTANT
Explain with the help of an activity, how both moisture and oxygen are the necessary conditions for rusting to occur.