MEDIUM
10th Gujarat Board
IMPORTANT
Earn 100

Explain the liquefaction and zone refining method of refining of metals. (draw diagram)

Important Questions on Metals and Non-Metals

MEDIUM
10th Gujarat Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Gujarat Board-2018>Q 4
What is corrosion? Give remedies for the prevention of corrosion.
MEDIUM
10th Gujarat Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Gujarat Board-2018>Q 6
MgCO3  →∆MgO+ CO2. Which reactiton is this?
HARD
10th Gujarat Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Gujarat Board-2018>Q 9
Explain the Hall-Heroult method to obtain the aluminium from alumina with a diagram.
EASY
10th Gujarat Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Gujarat Board-2019>Q 11
By which process metal can be obtained from metal oxide?
HARD
10th Gujarat Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Gujarat Board-2019>Q 14
Explain the electrochemical reduction method to obtain aluminium from alumina with diagram.
HARD
10th Gujarat Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Gujarat Board-2020>Q 15
Explain the electrolytic refining of copper with the help of a diagram.
MEDIUM
10th Gujarat Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Gujarat Board-2020>Q 16
Explain the thermite process with the equation.
MEDIUM
10th Gujarat Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Gujarat Board-2019>Q 18
Which components are used in the preparation of scientific balance and light instruments?