EASY
10th CBSE
IMPORTANT
Earn 100

Copper is purified by electrolytic refining.
(a) Name the materials used for the electrodes.
(b) Name the electrolyte used.

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 4
An electrolytic cell consists of
(a) Positively charged cathode
(b) Negatively charged anode
(c) Positively charged anode
(d) Negatively charged cathode
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 3 - Metals and Non-metals>Check Your Progress>Q 5
Give one word for the unwanted sand and clay impurities associated with metals in their ores. (Slag/ Gangue)
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?