MEDIUM
10th CBSE
IMPORTANT
Earn 100

What is Dobereiner's law of triads? Explain with the help of one example of a Dobereiner's triad.

Important Questions on Periodic Classification Of Elements

HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Short Answer Type Questions>Q 22
What is Newlands' law of octaves? Explain with an example.
HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Short Answer Type Questions>Q 23
Did Dobereiner's triads also exist in the columns of Newlands' law of octaves? Explain your answer.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Short Answer Type Questions>Q 23
What were the limitations of Dobereiners' classification of elements?
HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Short Answer Type Questions>Q 23
What were the limitations of Newlands' law of octaves?
HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Short Answer Type Questions>Q 24
State the periodic law on which Mendeleev's periodic table was based. Why and how was this periodic law changed?
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Short Answer Type Questions>Q 24
Explain why the noble gases are placed in a separate group.
HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Short Answer Type Questions>Q 25
State the merits of Mendeleev’s classification of elements.
HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Short Answer Type Questions>Q 25
Describe two anomalies of Mendeleev’s periodic classification of elements.