MEDIUM
10th Karnataka Board
IMPORTANT
Earn 100
![](https://assets-cf.embibe.com/production/web-assets/assets/seo/coin.webp)
Draw the diagram of the arrangement of apparatus to show that acid solution in water conducts electricity and label the battery.
Important Questions on Metals and Non-Metals
EASY
10th Karnataka Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Karnataka Board-2018>Q 1
Identify a property of amorphous silicon in the following.
![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
MEDIUM
10th Karnataka Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Karnataka Board-2018>Q 2
Draw the diagram of the apparatus used in electroplating and label the following part:
The substance to be electroplated.
![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
MEDIUM
10th Karnataka Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Karnataka Board-2018>Q 4
Observe the following chemical equations:
(i)
(ii)
What is the conclusion that you take about the nature of aluminium oxide with the help of these equations? Give a reason for your conclusion.
![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
MEDIUM
10th Karnataka Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Karnataka Board-2018>Q 5
Molten cryolite is mixed with molten alumina in the extraction of aluminium by electrolysis. Why? Name the substances that are used as anode and cathode in this method.
![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
EASY
10th Karnataka Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Karnataka Board-2019>Q 6
What is roasting in metallurgy?![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
MEDIUM
10th Karnataka Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Karnataka Board-2019>Q 7
Draw the diagram of the apparatus used in the electrolysis of water. Label the graphite rod.![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
MEDIUM
10th Karnataka Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Karnataka Board-2019>Q 8
Draw the diagram of the apparatus used in the electrolysis of water. Label the cathode. ![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
MEDIUM
10th Karnataka Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Karnataka Board-2019>Q 9
Ionic compounds in a solid-state do not conduct electricity, whereas molten states are good conductors of electricity. Give reason.![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)