EASY
10th CBSE
IMPORTANT
Earn 100

Give one word for the unwanted sand and clay impurities associated with metals in their ores. (Slag/ Gangue)

50% studentsanswered this correctly

Important Questions on Metals and Non-metals

EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 3 - Metals and Non-metals>Check Your Progress>Q 5
Give one word for heating the ore strongly in the presence of an excess of air to liberate SO2.
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 3 - Metals and Non-metals>Check Your Progress>Q 1
How does iron occurs in nature? Name two important ores of iron.
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 3 - Metals and Non-metals>Check Your Progress>Q 2
What are fluxes?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 3 - Metals and Non-metals>Check Your Progress>Q 3
Explain the phenomenon of rusting of iron.
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 3 - Metals and Non-metals>Check Your Progress>Q 4
Define galvanization.
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 3 - Metals and Non-metals>Check Your Progress>Q 5
Why is iron grill painted?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 3 - Metals and Non-metals>Check Your Progress>Q 6
Explain corrosion. How it can be prevented?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 3 - Metals and Non-metals>Formative Assessment>Q 1
Which of the following pairs will give displacement reactions?