JEE Advanced : Hydrogen & s-block elementsChemistry Level pending
Which of the following statements are true?
The solubility of hydroxides and carbonates of group 1 elements increases down the group.
The melting point, boiling point and dielectric constant of heavy water is greater than regular water.
There are 2 pi bonds and 1 sigma bond between the 2 carbon atoms in calcium carbide.
Hydrogen peroxide can be obtained on heating water under extreme conditions (high temperature and pressure).
The stability of carbonates, oxides and sulphates of group 2 elements increases down the group.