MEDIUM
8th CBSE
IMPORTANT
Earn 100

Why do we store sodium and potassium in kerosene?

Important Questions on Metals and Non-metals

MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 4 - Metals and Non-metals>Test Your Learning Outcome>Q 3
Name a metal which burns with a dazzling white flame, and is sold in the market under the brand name “magic wire”.
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 4 - Metals and Non-metals>Test Your Learning Outcome>Q 4
Why do sparklers give out sparks of different colours?
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 4 - Metals and Non-metals>Test Your Learning Outcome>Q 5
What do you understand by basic oxides?
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 4 - Metals and Non-metals>Test Your Learning Outcome>Q 6
How do metal oxides differ from non-metal oxides?
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 4 - Metals and Non-metals>Test Your Learning Outcome>Q 7
An element burns in air to form its oxide. The aqueous solution of this oxide turns blue litmus red. State whether the element is a metal or non-metals
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 4 - Metals and Non-metals>Test Your Learning Outcome>Q 8
What are the special properties of phosphorus which make it suitable for use in matchsticks?
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 4 - Metals and Non-metals>Test Your Learning Outcome>Q 9
Why do we store phosphorous under water?
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 4 - Metals and Non-metals>Test Your Learning Outcome>Q 1
Name a metal that reacts vigorously with water. Give its reaction in word formula.