When iron nails are dropped in a copper sulphate solution, then ____.
Correct!
Wrong!
When iron nails are dropped in copper sulphate the blue colour changes to green. Iron, being more reactive than copper displaces copper from the copper sulphate solution.
In a precipitation reaction, one of the products formed is ____.
Correct!
Wrong!
In a precipitation reaction, aqueous solution of two salts react and one of the products formed is a precipitate, which is an insoluble salt.
Which of the following is not a decomposition reaction?
Correct!
Wrong!
In the process of photosynthesis carbon dioxide and water combine to form starch, hence, it is a combination reaction.
ICSE Class 9th Chemistry - Chemical changes and reactions MCQs
Poor
Average
Good
Excellent
Share your Results:
Reviewer
ShikshaHouse
Date
Reviewed Item
ICSE Class 9th Chemistry - Chemical changes and reactions MCQs
Author Rating
