MEDIUM
10th CBSE
IMPORTANT
Earn 100

List two important methods to prevent corrosion.

Important Questions on Metals and Non-Metals

MEDIUM
10th CBSE
IMPORTANT
SUPER SIMPLIFIED SCIENCE CHEMISTRY CLASS X>Chapter 3 - Metals and Non-Metals>Test Your Knowledge>Q 29
Give reason for the following:
Ionic compounds have high melting points and boiling points.
MEDIUM
10th CBSE
IMPORTANT
SUPER SIMPLIFIED SCIENCE CHEMISTRY CLASS X>Chapter 3 - Metals and Non-Metals>Test Your Knowledge>Q 29
Give reason for the following:
Ionic compounds conduct electricity in molten state.
MEDIUM
10th CBSE
IMPORTANT
SUPER SIMPLIFIED SCIENCE CHEMISTRY CLASS X>Chapter 3 - Metals and Non-Metals>Test Your Knowledge>Q 29
Give reason for the following:
Ionic compounds are solids at room temperature and are somewhat hard.
MEDIUM
10th CBSE
IMPORTANT
SUPER SIMPLIFIED SCIENCE CHEMISTRY CLASS X>Chapter 3 - Metals and Non-Metals>Test Your Knowledge>Q 29
Give reason for the following:
Iron grills are frequently painted.
MEDIUM
10th CBSE
IMPORTANT
SUPER SIMPLIFIED SCIENCE CHEMISTRY CLASS X>Chapter 3 - Metals and Non-Metals>Test Your Knowledge>Q 29
Give reason for the following:
Gold ornaments retain their lustre even after several years of use.
MEDIUM
10th CBSE
IMPORTANT
SUPER SIMPLIFIED SCIENCE CHEMISTRY CLASS X>Chapter 3 - Metals and Non-Metals>Test Your Knowledge>Q 30
Why are ionic compounds usually hard crystalline solids?
MEDIUM
10th CBSE
IMPORTANT
SUPER SIMPLIFIED SCIENCE CHEMISTRY CLASS X>Chapter 3 - Metals and Non-Metals>Test Your Knowledge>Q 30
Give two methods to prevent rusting of iron.
MEDIUM
10th CBSE
IMPORTANT
SUPER SIMPLIFIED SCIENCE CHEMISTRY CLASS X>Chapter 3 - Metals and Non-Metals>Test Your Knowledge>Q 30
 Name the ores of the metals (i) mercury (ii) zinc.