Embibe Experts Solutions for Chapter: The s-block Elements, Exercise 1: KEAM 2019

Name a nitrate that does not yield corresponding metal oxide, nitrogen dioxide on heating.

Which of the following statement is incorrect about beryllium?

An orange solid $\mathrm{A}$ on heating gives a green residue $\mathrm{B},$ a colourless gas $\mathrm{C}$ and water vapours. The dry gas $\mathrm{C}$ upon pasing over heated $\mathrm{Mg}$ gave a white solid $\mathrm{D}$ which upon subsequent reaction with water gave a gas $\mathrm{E}$ that gave dense white fumes with $\mathrm{HCl}$.

Identify $\mathrm{D}$

Carnallite is a mineral containing

Portland cement does not contain -