What is the reactivity series of metals?

Important Questions on Metals and Non - Metals

MEDIUM

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 3 - Metals and Non - Metals>Summative Assessment>Q 14

Name a liquid metal and a non-metal. Name two metals having low melting points.

HARD

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 3 - Metals and Non - Metals>Summative Assessment>Q 15

Why food cans are coated with tin metal and not zinc metal?

MEDIUM

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 3 - Metals and Non - Metals>Summative Assessment>Q 16

State two ways to prevent the rusting of iron.

HARD

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 3 - Metals and Non - Metals>Summative Assessment>Q 17

Differentiate between metals and non-metals on the basis of their physical properties.

HARD

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 3 - Metals and Non - Metals>Summative Assessment>Q 18

How are oxides of low reactive metals normally reduced? Give example.

MEDIUM

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 3 - Metals and Non - Metals>Summative Assessment>Q 19

Why sulphide ores are converted to oxides for extraction of metals? What is the process called?

HARD

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 3 - Metals and Non - Metals>Summative Assessment>Q 20

Write an activity to show that ionic compounds are good conductors of electric current in their aqueous solution.

MEDIUM

10th CBSE

IMPORTANT

SCIENCE CHEMISTRY Part-II>Chapter 3 - Metals and Non - Metals>Summative Assessment>Q 21

Write short note on calcination.