Ela Chowdary Solutions for Chapter: Separation of Substances, Exercise 4: EVALUATION
Author:Ela Chowdary
Ela Chowdary Chemistry Solutions for Exercise - Ela Chowdary Solutions for Chapter: Separation of Substances, Exercise 4: EVALUATION
Attempt the free practice questions on Chapter 4: Separation of Substances, Exercise 4: EVALUATION with hints and solutions to strengthen your understanding. FRANK NEW CERTIFICATE - Chemistry solutions are prepared by Experienced Embibe Experts.
Questions from Ela Chowdary Solutions for Chapter: Separation of Substances, Exercise 4: EVALUATION with Hints & Solutions
EASY
7th ICSE
IMPORTANT
It is a separation technique of coloured mixtures.
EASY
7th ICSE
IMPORTANT
A mixture of kerosene, petrol and diesel.
EASY
7th ICSE
IMPORTANT
The process of evaporation followed by condensation.
EASY
7th ICSE
IMPORTANT
Give one word for the method used to separate magnetic components of a mixture.
EASY
7th ICSE
IMPORTANT
Define evaporation.
MEDIUM
7th ICSE
IMPORTANT
Define magnetic separation.
MEDIUM
7th ICSE
IMPORTANT
Define sublimate.
HARD
7th ICSE
IMPORTANT
Do we get the elements such as iron, aluminium and copper in free state in the Earth's crust? Or are they present in the form of compounds? Write a paragraph about the extraction of any one metal mentioned above.
