EASY
10th CBSE
IMPORTANT
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Name the colour of the precipitate formed by the copper sulphide.

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Important Questions on Chemical Reactions and Equations

EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>PAPER - PEN TEST : 5>Q 12
Name the colour of the precipitate formed by the lead iodide. (Blue / Yellow / violet)
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>PAPER - PEN TEST : 5>Q 12
Name the colour of the precipitate formed by the aluminium hydroxide.
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>PAPER - PEN TEST : 5>Q 13
What is meant by reactivity series?
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>PAPER - PEN TEST : 5>Q 14
Give the arrangement of 1-20 elements in the descending order of reactivity series.
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>PAPER - PEN TEST : 5>Q 15
What are the uses of decomposition reactions?
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>PAPER - PEN TEST : 5>Q 16
Name the decomposition reaction that takes place in our body. (Digestion/ Reproduction)
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>PAPER - PEN TEST : 5>Q 17
Give an example of the following with a balanced equation:
A compound reacting with an element to form a new compound.
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>PAPER - PEN TEST : 5>Q 17
Give an example of the following with a balanced equation:
A compound reacting with another compound to form a new compound.