EASY
10th Bihar Board
IMPORTANT
Earn 100

Define the following term:

Gangue

Important Questions on Metals and Non-Metals

EASY
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Bihar Board-2019>Q 14

Define the following term:

Calcination

EASY
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Bihar Board-2019>Q 15

Define the following term:

Roasting

EASY
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Bihar Board-2020>Q 16
Which of the following methods is suitable for preventing an iron frying pan from rusting? 
 
MEDIUM
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Bihar Board-2020>Q 17

Which of the following metals can easily be cut with a knife? 

HARD
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Bihar Board-2020>Q 18
Which of the following metals is least reacted? 
 
MEDIUM
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Bihar Board-2020>Q 19
Which of the following is the best conductor of electricity? 
HARD
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Bihar Board-2020>Q 20
Which of the following is evolved when zinc reacts with sulphuric acid? 
HARD
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 3 - Metals and Non-Metals>Bihar Board-2020>Q 21

Which gas is usually liberated when an acid reacts with a metal? Illustrate with example.