Which of the following alkaline earth metals shows anomalous behavior and has an electronegativity similar to that of aluminum?

$s-$block element which cannot be qualitatively confirmed by the flame test is ..... .

Complete the following equation: $CaCO_3 \cdot MgCO_{3(s)} \xrightarrow{\Delta }$

An alkaline earth metal $(M)$ gives a salt with chlorine,which is insoluble in water at room temperature but soluble in boiling water. It also forms an insoluble sulphate whose mixture with a sulphide of a transition metal is called 'lithopone' - a white pigment. Metal $M$ is

Which of the following is not a characteristic of barium $(Ba)$?

The cheap compound having a high melting point used in a furnace is