HARD
11th CBSE
IMPORTANT
Earn 100
Give reasons for the following
A piece of burning magnesium ribbon continues to burn in .
Important Questions on s-Block Elements (Alkali and Alkaline Earth Metals)
HARD
11th CBSE
IMPORTANT
Give reasons for the following?
and do not impart colour to the flame.
HARD
11th CBSE
IMPORTANT
Explain the trend of solubility of carbonates, sulphates and hydroxides of alkaline earth metals down the group.
HARD
11th CBSE
IMPORTANT
In what respects, does differ from the halides of group 2 elements?
HARD
11th CBSE
IMPORTANT
Like lithium in Group1, beryllium shows anomalous behaviour in Group 2. Write three such properties of beryllium which make it anomalous in the group.
HARD
11th CBSE
IMPORTANT
What is the diagonal relationship? Discuss the diagonal relationship between and . Give the points of resemblance between and .
HARD
11th CBSE
IMPORTANT
Beryllium exhibits some similarities with aluminium. Point out three such properties.
HARD
11th CBSE
IMPORTANT
Give three important uses of each of calcium and magnesium.
HARD
11th CBSE
IMPORTANT
How is magnesium chloride hexahydrate prepared from magnesium oxide? Comment upon the effect of heat on it.
