EASY
10th CBSE
IMPORTANT
Earn 100

Define the terms oxidation and reduction in terms of gain or loss of hydrogen with one example each.

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 10
Define the terms oxidation and reduction in terms of metals and non-metals.
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>PAPER - PEN TEST : 5>Q 11
Differentiate oxidising agent and reducing agent by giving an example for each.
MEDIUM
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 barium sulphate.
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 copper sulphide.
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.