EASY
JEE Main
IMPORTANT
Earn 100
The correct sequence of thermal stability of the following carbonates is:
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Important Questions on The s-Block Elements
MEDIUM
JEE Main
IMPORTANT
Sodium metal on dissolution in liquid ammonia gives a deep blue solution due to the formation of:
EASY
JEE Main
IMPORTANT
The electronegativity of aluminum is similar to:
MEDIUM
JEE Main
IMPORTANT
The metal used for making X-ray tube window is:
EASY
JEE Main
IMPORTANT
A hydrated solid X on heating initially gives a monohydrated compound Y. Y upon heating above leads to an anhydrous white powder Z. X and Z, respectively, are;
EASY
JEE Main
IMPORTANT
What is the commercial name for calcium oxide?
HARD
JEE Main
IMPORTANT
Consider the reaction sequence below:
X is :
MEDIUM
JEE Main
IMPORTANT
The correct order of thermal stability of hydroxides is
HARD
JEE Main
IMPORTANT
Which one of the following elemental forms is not present in the enamel of the teeth?
